Refet Firat Yazicioglu

78 papers C 5Misc 1Journal 30Unranked 41

Year	Rank	Type	Title / Venue / Authors
2017	J	`jnl`	A 0.6-V, 0.015-mm IEEE J. Solid State Circuits Rachit Mohan, Samira Zaliasl, Georges G. E. Gielen, Chris Van Hoof, Refet Firat Yazicioglu, Nick Van Helleputte
2017	J	`jnl`	A 172 µW Compressively Sampled Photoplethysmographic (PPG) Readout ASIC With Heart Rate Estimation Directly From Compressively Sampled Data. IEEE Trans. Biomed. Circuits Syst. Venkata Rajesh Pamula, Jose Manuel Valero-Sarmiento, Long Yan, Alper Bozkurt, Chris Van Hoof, Nick Van Helleputte, Refet Firat Yazicioglu, Marian Verhelst
2017	J	`jnl`	A Neural Probe With Up to 966 Electrodes and Up to 384 Configurable Channels in 0.13 µm SOI CMOS. IEEE Trans. Biomed. Circuits Syst. Carolina Mora Lopez, Jan Putzeys, Bogdan C. Raducanu, Marco Ballini, Shiwei Wang, Alexandru Andrei, Veronique Rochus, Roeland Vandebriel, Simone Severi, Chris Van Hoof, Silke Musa, Nick Van Helleputte, Refet Firat Yazicioglu, Srinjoy Mitra
2017	J	`jnl`	Time Multiplexed Active Neural Probe with 1356 Parallel Recording Sites. Sensors Bogdan C. Raducanu, Refet Firat Yazicioglu, Carolina Mora Lopez, Marco Ballini, Jan Putzeys, Shiwei Wang, Alexandru Andrei, Veronique Rochus, Marleen Welkenhuysen, Nick Van Helleputte, Silke Musa, Robert Puers, Fabian Kloosterman, Chris Van Hoof, Richárd Fiáth, István Ulbert, Srinjoy Mitra
2016	—	`conf`	22.4 A 172µW compressive sampling photoplethysmographic readout with embedded direct heart-rate and variability extraction from compressively sampled data. ISSCC Pamula Venkata Rajesh, Jose Manuel Valero-Sarmiento, Long Yan, Alper Bozkurt, Chris Van Hoof, Nick Van Helleputte, Refet Firat Yazicioglu, Marian Verhelst
2016	—	`conf`	22.7 A 966-electrode neural probe with 384 configurable channels in 0.13µm SOI CMOS. ISSCC Carolina Mora Lopez, Srinjoy Mitra, Jan Putzeys, Bogdan C. Raducanu, Marco Ballini, Alexandru Andrei, Simone Severi, Marleen Welkenhuysen, Chris Van Hoof, Silke Musa, Refet Firat Yazicioglu
2016	—	`conf`	28.4 A battery-powered efficient multi-sensor acquisition system with simultaneous ECG, BIO-Z, GSR, and PPG. ISSCC Mario Konijnenburg, Stefano Stanzione, Long Yan, Dong-Woo Jee, Julia Pettine, Roland Van Wegberg, Hyejung Kim, Chris van Liempd, Ram Fish, James Schuessler, Harmke de Groot, Chris Van Hoof, Refet Firat Yazicioglu, Nick Van Helleputte
2016	—	`conf`	28.5 A 0.6V 0.015mm2 time-based biomedical readout for ambulatory applications in 40nm CMOS. ISSCC Rachit Mohan, Samira Zaliasl, Georges G. E. Gielen, Chris Van Hoof, Nick Van Helleputte, Refet Firat Yazicioglu
2016	—	`conf`	A 17nA, 47.2dB dynamic range, adaptive sampling controller for online data rate reduction in low power ECG systems. BioCAS V. Rajesh Pamula, Marian Verhelst, Chris Van Hoof, Refet Firat Yazicioglu
2016	J	`jnl`	A Multi(bio)sensor Acquisition System With Integrated Processor, Power Management, 8×8 LED Drivers, and Simultaneously Synchronized ECG, BIO-Z, GSR, and Two PPG Readouts. IEEE J. Solid State Circuits Mario Konijnenburg, Stefano Stanzione, Long Yan, Dong-Woo Jee, Julia Pettine, Roland Van Wegberg, Hyejung Kim, Chris van Liempd, Ram Fish, James Schuessler, Harmke de Groot, Chris Van Hoof, Refet Firat Yazicioglu, Nick Van Helleputte
2016	—	`conf`	F6: Circuit, systems and data processing for next-generation wearable and implantable medical devices. ISSCC Kush Gulati, Refet Firat Yazicioglu, Antoine Dupret, Roman Genov, Peter Chung-Yu Wu, Long Yan
2016	—	`conf`	Session 22 overview: Systems and instruments for human-machine interfaces. ISSCC Long Yan, Refet Firat Yazicioglu
2016	—	`conf`	Time multiplexed active neural probe with 678 parallel recording sites. ESSDERC Bogdan C. Raducanu, Refet Firat Yazicioglu, Carolina Mora Lopez, Marco Ballini, Jan Putzeys, Shiwei Wang, Alexandru Andrei, Marleen Welkenhuysen, Nick Van Helleputte, Silke Musa, Robert Puers, Fabian Kloosterman, Chris Van Hoof, Srinjoy Mitra
2015	—	`conf`	20.8 A 500nW batteryless integrated electrostatic energy harvester interface based on a DC-DC converter with 60V maximum input voltage and operating from 1μW available power, including MPPT and cold start. ISSCC Stefano Stanzione, Chris van Liempd, Misato Nabeto, Refet Firat Yazicioglu, Chris Van Hoof
2015	J	`jnl`	A 15-Channel Digital Active Electrode System for Multi-Parameter Biopotential Measurement. IEEE J. Solid State Circuits Jiawei Xu, Benjamin Busze, Chris Van Hoof, Kofi A. A. Makinwa, Refet Firat Yazicioglu
2015	J	`jnl`	A 345 µW Multi-Sensor Biomedical SoC With Bio-Impedance, 3-Channel ECG, Motion Artifact Reduction, and Integrated DSP. IEEE J. Solid State Circuits Nick Van Helleputte, Mario Konijnenburg, Julia Pettine, Dong-Woo Jee, Hyejung Kim, Alonso Morgado, Roland Van Wegberg, Tom Torfs, Rachit Mohan, Arjan Breeschoten, Harmke de Groot, Chris Van Hoof, Refet Firat Yazicioglu
2015	J	`jnl`	A design methodology for power-efficient reconfigurable SC ΔΣ modulators. Int. J. Circuit Theory Appl. Serena Porrazzo, Alonso Morgado, David San Segundo Bello, Chris Van Hoof, Refet Firat Yazicioglu, Arthur H. M. van Roermund, Eugenio Cantatore
2015	—	`conf`	A low power configurable bio-impedance spectroscopy (BIS) ASIC with simultaneous ECG and respiration recording functionality. ESSCIRC Jiawei Xu, Pieter Harpe, Julia Pettine, Chris Van Hoof, Refet Firat Yazicioglu
2014	—	`conf`	18.3 A multi-parameter signal-acquisition SoC for connected personal health applications. ISSCC Nick Van Helleputte, Mario Konijnenburg, Hyejung Kim, Julia Pettine, Dong-Woo Jee, Arjan Breeschoten, Alonso Morgado, Tom Torfs, Harmke de Groot, Chris Van Hoof, Refet Firat Yazicioglu
2014	—	`conf`	24.4 A 680nA fully integrated implantable ECG-acquisition IC with analog feature extraction. ISSCC Long Yan, Pieter Harpe, Masato Osawa, Yasunari Harada, Kosei Tamiya, Chris Van Hoof, Refet Firat Yazicioglu
2014	—	`conf`	24.7 A 60nV/√Hz 15-channel digital active electrode system for portable biopotential signal acquisition. ISSCC Jiawei Xu, Ben Busze, Hyejung Kim, Kofi A. A. Makinwa, Chris Van Hoof, Refet Firat Yazicioglu
2014	J	`jnl`	A 680 nA ECG Acquisition IC for Leadless Pacemaker Applications. IEEE Trans. Biomed. Circuits Syst. Long Yan, Pieter Harpe, Venkata Rajesh Pamula, Masato Osawa, Yasunari Harada, Kosei Tamiya, Chris Van Hoof, Refet Firat Yazicioglu
2014	J	`jnl`	A Configurable and Low-Power Mixed Signal SoC for Portable ECG Monitoring Applications. IEEE Trans. Biomed. Circuits Syst. Hyejung Kim, Sunyoung Kim, Nick Van Helleputte, Antonio Artés, Mario Konijnenburg, Jos Huisken, Chris Van Hoof, Refet Firat Yazicioglu
2014	J	`jnl`	A Wearable 8-Channel Active-Electrode EEG/ETI Acquisition System for Body Area Networks. IEEE J. Solid State Circuits Jiawei Xu, Srinjoy Mitra, Akinori Matsumoto, Shrishail Patki, Chris Van Hoof, Kofi A. A. Makinwa, Refet Firat Yazicioglu
2014	J	`jnl`	An Efficient and Compact Compressed Sensing Microsystem for Implantable Neural Recordings. IEEE Trans. Biomed. Circuits Syst. Jie Zhang, Yuanming Suo, Srinjoy Mitra, Sang (Peter) Chin, Steven Hsiao, Refet Firat Yazicioglu, Trac D. Tran, Ralph Etienne-Cummings
2014	J	`jnl`	An Implantable 455-Active-Electrode 52-Channel CMOS Neural Probe. IEEE J. Solid State Circuits Carolina Mora Lopez, Alexandru Andrei, Srinjoy Mitra, Marleen Welkenhuysen, Wolfgang Eberle, Carmen Bartic, Robert Puers, Refet Firat Yazicioglu, Georges G. E. Gielen
2014	—	`conf`	Computationally-efficient compressive sampling for low-power pulseoximeter system. BioCAS V. Rajesh Pamula, Marian Verhelst, Chris Van Hoof, Refet Firat Yazicioglu
2014	—	`conf`	ES3: Wearable wellness devices: Fashion, health, and informatics. ISSCC Refet Firat Yazicioglu, Sam Kavusi, Chris Van Hoof
2014	J	`jnl`	Error Correction Algorithm for High Accuracy Bio-Impedance Measurement in Wearable Healthcare Applications. IEEE Trans. Biomed. Circuits Syst. Rajkumar Chinnakonda Kubendran, Seulki Lee, Srinjoy Mitra, Refet Firat Yazicioglu
2014	J	`jnl`	Guest Editorial - Special Issue on Selected Papers From IEEE BioCAS 2013. IEEE Trans. Biomed. Circuits Syst. Sylvie Renaud, Gianluca Setti, Refet Firat Yazicioglu
2014	—	`conf`	High density wireless EEG prototype: Design and evaluation against reference equipment. EMBC Stefano Rossi, Shrishail Patki, Marco Passoni, Hannes Perko, Gerhard Gritsch, Pauly P. W. Ossenblok, Refet Firat Yazicioglu
2014	—	`conf`	Live demonstration: A closed loop Compressive Sensing neural recording system. BioCAS Jie Zhang, Tao Xiong, Srinjoy Mitra, Yuanming Suo, Trac D. Tran, Refet Firat Yazicioglu, Ralph Etienne-Cummings
2014	J	`jnl`	Noncontact ECG Recording System With Real Time Capacitance Measurement for Motion Artifact Reduction. IEEE Trans. Biomed. Circuits Syst. Tom Torfs, Yun-Hsuan Chen, Hyejung Kim, Refet Firat Yazicioglu
2014	—	`conf`	Ultra-high-density in-vivo neural probes. EMBC Refet Firat Yazicioglu, Carolina Mora Lopez, Srinjoy Mitra, Bogdan C. Raducanu, Silke Musa, Fabian Kloosterman
2013	—	`conf`	24-channel dual-band wireless neural recorder with activity-dependent power consumption. ISSCC Srinjoy Mitra, Jan Putzeys, Francesco Battaglia, Carolina Mora Lopez, Marleen Welkenhuysen, Cyriel M. A. Pennartz, Chris Van Hoof, Refet Firat Yazicioglu
2013	—	`conf`	A 1-V 99-to-75dB SNDR, 256Hz-16kHz bandwidth, 8.6-to-39µW reconfigurable SC ΔΣ Modulator for autonomous biomedical applications. ESSCIRC Serena Porrazzo, Venkata Narasimha Manyam, Alonso Morgado, David San Segundo Bello, Chris Van Hoof, Arthur H. M. van Roermund, Refet Firat Yazicioglu, Eugenio Cantatore
2013	J	`jnl`	A 13 µA Analog Signal Processing IC for Accurate Recognition of Multiple Intra-Cardiac Signals. IEEE Trans. Biomed. Circuits Syst. Long Yan, Julia Pettine, Srinjoy Mitra, Sunyoung Kim, Dong-Woo Jee, Hyejung Kim, Masato Osawa, Yasunari Harada, Kosei Tamiya, Chris Van Hoof, Refet Firat Yazicioglu
2013	J	`jnl`	A 155 µW 88-dB DR Discrete-Time ΔΣ Modulator for Digital Hearing Aids Exploiting a Summing SAR ADC Quantizer. IEEE Trans. Biomed. Circuits Syst. Serena Porrazzo, Alonso Morgado, David San Segundo Bello, Francesco Cannillo, Chris Van Hoof, Refet Firat Yazicioglu, Arthur H. M. van Roermund, Eugenio Cantatore
2013	—	`conf`	A 20µW intra-cardiac signal-processing IC with 82dB bio-impedance measurement dynamic range and analog feature extraction for ventricular fibrillation detection. ISSCC Sunyoung Kim, Long Yan, Srinjoy Mitra, Masato Osawa, Yasunari Harada, Kosei Tamiya, Chris Van Hoof, Refet Firat Yazicioglu
2013	J	`jnl`	A High Voltage Self-Biased Integrated DC-DC Buck Converter With Fully Analog MPPT Algorithm for Electrostatic Energy Harvesters. IEEE J. Solid State Circuits Stefano Stanzione, Chris van Liempd, Rob van Schaijk, Yasuyuki Naito, Refet Firat Yazicioglu, Chris Van Hoof
2013	—	`conf`	A self-biased 5-to-60V input voltage and 25-to-1600µW integrated DC-DC buck converter with fully analog MPPT algorithm reaching up to 88% end-to-end efficiency. ISSCC Stefano Stanzione, Chris van Liempd, Rob van Schaijk, Yasuyuki Naito, Refet Firat Yazicioglu, Chris Van Hoof
2013	—	`conf`	An implantable 455-active-electrode 52-channel CMOS neural probe. ISSCC Carolina Mora Lopez, Alexandru Andrei, Srinjoy Mitra, Marleen Welkenhuysen, Wolfgang Eberle, Carmen Bartic, Robert Puers, Refet Firat Yazicioglu, Georges G. E. Gielen
2013	C	`conf`	Error correction algorithm for high accuracy bio-impedance measurement in wearable healthcare applications. ISCAS Rajkumar Chinnakonda Kubendran, Sunyoung Kim, Refet Firat Yazicioglu
2013	J	`jnl`	Measurement and Analysis of Current Noise in Chopper Amplifiers. IEEE J. Solid State Circuits Jiawei Xu, Qinwen Fan, Johan H. Huijsing, Chris Van Hoof, Refet Firat Yazicioglu, Kofi A. A. Makinwa
2013	—	`conf`	Non-contact ECG recording system with real time capacitance measurement for motion artifact reduction. BioCAS Tom Torfs, Refet Firat Yazicioglu
2013	C	`conf`	Reconstruction of neural action potentials using signal dependent sparse representations. ISCAS Jie Zhang, Yuanming Suo, Srinjoy Mitra, Sang (Peter) Chin, Trac D. Tran, Refet Firat Yazicioglu, Ralph Etienne-Cummings
2012	J	`jnl`	A 160 $\mu{\rm A}$ Biopotential Acquisition IC With Fully Integrated IA and Motion Artifact Suppression. IEEE Trans. Biomed. Circuits Syst. Nick Van Helleputte, Sunyoung Kim, Hyejung Kim, Jong Pal Kim, Chris Van Hoof, Refet Firat Yazicioglu
2012	—	`conf`	A 160μA biopotential acquisition ASIC with fully integrated IA and motion-artifact suppression. ISSCC Nick Van Helleputte, Sunyoung Kim, Hyejung Kim, Jong Pal Kim, Chris Van Hoof, Refet Firat Yazicioglu
2012	—	`conf`	A 700µW 8-channel EEG/contact-impedance acquisition system for dry-electrodes. VLSIC Srinjoy Mitra, Jiawei Xu, Akinori Matsumoto, Kofi A. A. Makinwa, Chris Van Hoof, Refet Firat Yazicioglu
2012	—	`conf`	Measurement and analysis of input current noise in chopper amplifiers. ESSCIRC Jiawei Xu, Qinwen Fan, Johan H. Huijsing, Chris Van Hoof, Refet Firat Yazicioglu, Kofi A. A. Makinwa
2012	—	`conf`	Motion artifact removal using cascade adaptive filtering for ambulatory ECG monitoring system. BioCAS Hyejung Kim, Sunyoung Kim, Nick Van Helleputte, Torfinn Berset, Di Geng, Iñaki Romero, Julien Penders, Chris Van Hoof, Refet Firat Yazicioglu
2012	—	`conf`	Real time digitally assisted analog motion artifact reduction in ambulatory ECG monitoring system. EMBC Sunyoung Kim, Hyejung Kim, Nick Van Helleputte, Chris Van Hoof, Refet Firat Yazicioglu
2012	—	`conf`	Wireless EEG system with real time impedance monitoring and active electrodes. BioCAS Shrishail Patki, Bernard Grundlehner, Auryn Verwegen, Srinjoy Mitra, Jiawei Xu, Akinori Matsumoto, Refet Firat Yazicioglu, Julien Penders
2011	—	`conf`	1.4V 13μW 83dB DR CT-ΣΔ modulator with Dual-Slope quantizer and PWM DAC for biopotential signal acquisition. ESSCIRC Francesco Cannillo, Enrique Prefasi, Luis Hernández, Ernesto Pun, Refet Firat Yazicioglu, Chris Van Hoof
2011	J	`jnl`	A $160~\mu {\rm W}$ 8-Channel Active Electrode System for EEG Monitoring. IEEE Trans. Biomed. Circuits Syst. Jiawei Xu, Refet Firat Yazicioglu, Bernard Grundlehner, Pieter Harpe, Kofi A. A. Makinwa, Chris Van Hoof
2011	—	`conf`	A 160μW 8-channel active electrode system for EEG monitoring. ISSCC Jiawei Xu, Refet Firat Yazicioglu, Pieter Harpe, Kofi A. A. Makinwa, Chris Van Hoof
2011	J	`jnl`	A 30 μ W Analog Signal Processor ASIC for Portable Biopotential Signal Monitoring. IEEE J. Solid State Circuits Refet Firat Yazicioglu, Sunyoung Kim, Tom Torfs, Hyejung Kim, Chris Van Hoof
2011	—	`conf`	A mixed signal ECG processing platform with an adaptive sampling ADC for portable monitoring applications. EMBC Hyejung Kim, Chris Van Hoof, Refet Firat Yazicioglu
2011	—	`conf`	An ECG patch combining a customized ultra-low-power ECG SoC with Bluetooth low energy for long term ambulatory monitoring. Wireless Health Marco Altini, Salvatore Polito, Julien Penders, Hyejung Kim, Nick Van Helleputte, Sunyoung Kim, Refet Firat Yazicioglu
2011	—	`conf`	Closing the loop for deep brain stimulation implants enables personalized healthcare for Parkinson's disease patients. EMBC Wolfgang Eberle, Julien Penders, Refet Firat Yazicioglu
2011	C	`conf`	Design of widely tunable Mexican hat wavelet filter for cardiac signal analysis. ISCAS Amandeep Singh, Refet Firat Yazicioglu, Chris Van Hoof
2011	C	`conf`	Human++: Key Challenges and Trade-offs in Embedded System Design for Personal Health Care. DSD Harmke de Groot, Maryam Ashouei, Julien Penders, Valer Pop, Maja Vidojkovic, Bert Gyselinckx, Refet Firat Yazicioglu
2011	—	`conf`	Motion artifact reduction in ambulatory ECG monitoring: an integrated system approach. Wireless Health Iñaki Romero, Torfinn Berset, Dilpreet Buxi, Lindsay Brown, Julien Penders, Sunyoung Kim, Nick Van Helleputte, Hyejung Kim, Chris Van Hoof, Refet Firat Yazicioglu
2011	—	`ch.`	Readout Circuits. Bio-Medical CMOS ICs Refet Firat Yazicioglu
2011	J	`jnl`	Two-Dimensional Multi-Channel Neural Probes With Electronic Depth Control. IEEE Trans. Biomed. Circuits Syst. Tom Torfs, Arno A. A. Aarts, Mehmet A. Erismis, Junaid Aslam, Refet Firat Yazicioglu, Karsten Seidl, Stanislav Herwik, István Ulbert, Balázs Dombovari, Richárd Fiáth, Bálint Péter Kerekes, Robert Puers, Oliver Paul, Patrick Ruther, Chris Van Hoof, Herc P. Neves
2010	—	`conf`	A 30µW Analog Signal Processor ASIC for biomedical signal monitoring. ISSCC Refet Firat Yazicioglu, Sunyoung Kim, Tom Torfs, Patrick Merken, Chris Van Hoof
2010	J	`jnl`	ECG signal compression and classification algorithm with quad level vector for ECG holter system. IEEE Trans. Inf. Technol. Biomed. Hyejung Kim, Refet Firat Yazicioglu, Patrick Merken, Chris Van Hoof, Hoi-Jun Yoo
2009	Misc	`conf`	P300 Detection Based on Feature Extraction in On-line Brain-Computer Interface. KI Nikolay Chumerin, Nikolay V. Manyakov, Adrien Combaz, Johan A. K. Suykens, Refet Firat Yazicioglu, Tom Torfs, Patrick Merken, Herc P. Neves, Chris Van Hoof, Marc M. Van Hulle
2009	J	`jnl`	Ultra-Low Power Sensor Design for Wireless Body Area Networks - Challenges, Potential Solutions, and Applications. J. Digit. Content Technol. its Appl. Li Huang, Maryam Ashouei, Refet Firat Yazicioglu, Julien Penders, Ruud J. M. Vullers, Guido Dolmans, Patrick Merken, Jos Huisken, Harmke de Groot, Chris Van Hoof, Bert Gyselinckx
2009	J	`jnl`	Ultra-low-power biopotential interfaces and their applications in wearable and implantable systems. Microelectron. J. Refet Firat Yazicioglu, Tom Torfs, Patrick Merken, Julien Penders, Vladimir Leonov, Robert Puers, Bert Gyselinckx, Chris Van Hoof
2008	J	`jnl`	A 200 µW Eight-Channel EEG Acquisition ASIC for Ambulatory EEG Systems. IEEE J. Solid State Circuits Refet Firat Yazicioglu, Patrick Merken, Robert Puers, Chris Van Hoof
2008	—	`conf`	A 200μW Eight-Channel Acquisition ASIC for Ambulatory EEG Systems. ISSCC Refet Firat Yazicioglu, Patrick Merken, Robert Puers, Chris Van Hoof
2007	J	`jnl`	A 60 µW 60 nV/√Hz Readout Front-End for Portable Biopotential Acquisition Systems. IEEE J. Solid State Circuits Refet Firat Yazicioglu, Patrick Merken, Robert Puers, Chris Van Hoof
2006	—	`conf`	A 60µW 60 nV/Hz Readout Front-End for Portable Biopotential Acquisition Systems. ISSCC Refet Firat Yazicioglu, Patrick Merken, Robert Puers, Chris Van Hoof
2006	C	`conf`	Human++: Emerging Technology for Body Area Networks. VLSI-SoC Bert Gyselinckx, Ruud J. M. Vullers, Chris Van Hoof, Julien Ryckaert, Refet Firat Yazicioglu, Paolo Fiorini, Vladimir Leonov
2006	—	`conf`	Human++: Emerging Technology for Body Area Networks. VLSI-SoC (Selected Papers) Julien Penders, Bert Gyselinckx, Ruud J. M. Vullers, Olivier Rousseaux, Mladen Berekovic, Michael De Nil, Chris Van Hoof, Julien Ryckaert, Refet Firat Yazicioglu, Paolo Fiorini, Vladimir Leonov
2006	J	`jnl`	Technologies for highly miniaturized autonomous sensor networks. Microelectron. J. Kris Baert, Bert Gyselinckx, Tom Torfs, Vladimir Leonov, Refet Firat Yazicioglu, Steven Brebels, Stéphane Donnay, J. Vanfletern, M. Pastreen, Eric Beyne, Chris Van Hoof
2005	—	`conf`	Human++: autonomous wireless sensors for body area networks. CICC Bert Gyselinckx, Chris Van Hoof, Julien Ryckaert, Refet Firat Yazicioglu, Paolo Fiorini, Vladimir Leonov