Peking Unniversity Third Hospital, Beijing, Beijing, China
Florence Nightingale Hospital, Istanbul, Turkey
Peking University First Hospital, Beijing, Beijing, China
Faculty of Medicine South Valley University, Qinā, Qena, Egypt
Medizinische Universität Graz, Graz, Austria
CHU Amiens-Picardie, Amiens, France
CHRU Besançon, Besançon, France
Centre Hospitalier Sud-Francilien, Corbeil-Essonnes, France
Hawler Medical University, Erbil, Kurdistan, Iraq
Tokat Gaziosmanpasa Universty, Tokat, Turkey