Suan Sunandha Rajabhat University, Bangkok, Dusit, Thailand
Adan hospital, Hadiya, Ahmadi, Kuwait
Mashtoul El Souq governmental hospital (50 beds), Sharkia, Egypt, Cairo, Egypt
Anhui Chest Hospital, Hefei, Anhui, China
Beijing Tsinghua Changgun Hospital, Beijing, Beijing, China
The 8th Medical Center of Chinese PLA General Hospital, Beijing, Beijing, China
Liangyuan District Center for Disease Prevention and Control, Shangqiu, Henan, China
Bahir Dar University, Bahir Dar, Ethiopia
Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, China
National University of Singapore, Yong Loo Lin School of Medicine, Department of Ophthalmology, Eye N Brain Research Lab, Singapore, Singapore
Bedok Green Primary School, Singapore, Singapore
Westwood Primary School, Singapore, Singapore
Prevention Research Center at Washington University in St. Louis, St. Louis, Missouri, United States