Glaucoma, Angle-Closure

• Shanghai General Hospital, Shanghai Jiao Tong University — Shanghai, China

• Malayan center — Yerevan, Armenia

• Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong — Shantou, Guangdong, China

• Mansoura University — Al Mansurah, Dakahlia Governorate, Egypt

• Centre Hospitalier de l'Université de Montréal (CHUM) — Montreal, Quebec, Canada

• Giresun Training and Research Hospital — Giresun, Gi̇resun, Turkey (Türkiye)

• Phanatnikhom hospital — Chon Buri, Changwat Chon Buri, Thailand

• guangfu Dang — Jinan, Shandong, China

Not specified

• Zhongnan Hospital of Wuhan University — Wuhan, Hubei, China