National and Kapodistrian University of Athens (NKUA)
Greece
Vall d´Hebron Hospitals
Spain
Catholic University of the Sacred Heart
Italy
Mansoura University
Egypt
Harran University
Turkey
University of Genoa
Italy
Istanbul Education and Research Hospital
Turkey
Toho University
Japan
Morehouse School of Medicine
United States
Mayo Clinic College of Medicine and Science
United States
Ain Shams University
Egypt
OASI Institute for Research
Italy
Istanbul Gelisim University
Turkey
Chung Shan Medical University (CSMU)
Taiwan
Vilnius University
Lithuania
Sandwell and West Birmingham Hospitals
United Kingdom
University Hospital Lozenetz
Bulgaria
Physiological Research Laboratories
United States
Marche Nord United Hospitals
Italy