Chinese PLA General Hospital
China
Chittagong Medical College & Hospital
Bangladesh
KM Shah Dental College and Hospital
India
Universidad Autonoma de México
Mexico
Indira Gandhi General Hospital
India
University of Michigan
United States
The First Hospital of China Medical University
China
University of Ioannina
Greece
State University of Campinas
Brazil
Guanghua School of Stomatology
China
Al-Azhar university hospitals
Egypt