1. International Medical Faculty, Osh State University, Osh City, Kyrgyzstan
2. Faculty of Medical Science, Lebanese University, Beirut, Lebanon
3. Medstar Georgetown University Hospital, Washington, DC, USA
4. Himalayan Institute of Medical Sciences, Dehradun, Uttarakhand, India
5. Nine of July University, São Paulo, Brazil
6. Faculty of Medicine, American University of Beirut, Beirut, Lebanon
7. Hospital das Clinicas of the Faculty of Medicine of the University of Sao Paulo, Sao Paulo, Brazil