Tanta University, Tanta, El-Gharbia, Egypt
Fuwai Central-China Cardiovascular Hospital, Zhengzhou, Henan, China
McGill University Health Centre (Glen Site), Montreal, Quebec, Canada
Altimmune Clinical Study Site, Richmond, Virginia, United States
Van state hospital, general surgery department, Van, Turkey
Koç University Hospital, Istanbul, Zeytinburnu, Turkey
University of Alabama, Birmingham, Alabama, United States
Joslin Diabetes Center, Boston, Massachusetts, United States