Macular Holes

• Hospital Oftalmologico de Sorocaba/ Banco de Olhos de Sorocaba — Sorocaba, São Paulo, Brazil
• Sorocaba Eye's Hospital — Sorocaba, São Paulo, Brazil

• Benha University — Banhā, Benha, Egypt

• Ahaliafoundation Eye Hospital — Palakkad, Kerala, India

• Universitaire Ziekenhuizen Leuven — Leuven, Vlaams-Brabant, Belgium

Not specified

• Clinica Ofalmologica Paredes — Pasto, Departamento de Nariño, Colombia

• Haukeland University Hospital — Bergen, Norway
• Stavanger University Hospital, Department of Ophthalmology — Stavanger, Norway

• Department of Ophthalmology — Graz, Styria, Austria

• Ibinsina Modern eye and retina center — Erbil, Iraq

• UZ Leuven — Leuven, Vlaams Brabant, Belgium