Oasi Research Institute-IRCCS, Italy
University of Naples Federico II, Italy
University of Udine, Italy
Hospital of Xuzhou Medical University, China
Lancaster University, United Kingdom
University of Milan, Italy
University of Bari Aldo Moro, Italy
School of Medicine of São José do Rio Preto, Brazil
University Hospital Bonn, Germany
Medical University of Lublin, Poland
University of Seville, Spain
Warsaw University of Technology, Poland
UNIVERSITÀ DEGLI STUDI DI ROMA TOR VERGATA, Italy
University of Oradea, Romania
Fondazione IRCCS Policlinico San Matteo, Italy
Sapienza University, Italy
University of Naples Federico II, Italy
University of Siena, Italy
Policlinico Umberto I , Italy
Aristotle University of Thessaloniki, Greece
Chang Gung Memorial Hospital, Taiwan
University of Rome, Italy
"George Papanikolaou" General Hospital of Thessaloniki, Greece
University of Rome, Italy
University of South Florida, USA
Royal Sussex county Hospital, United Kingdom
University of Pisa, Italy
University of Basilicata, Italy
Aristotle University of Thessaloniki, Greece
Federal University of Rio Grande do Norte , Brazil
University of Florence, Italy
Medical University of Sofia, Bulgaria
Swiss Federal Institute of Technology Zurich, Swaziland
The Johns Hopkins University School of Medicine, USA
University of California San Francisco Parnassus Campus, USA
Stanford University School Medicine, USA
UCSF School of Medicine, USA