Retinal Perforations

• Department of Ophthalmology, University of Thessaly — Thessaly, Greece
• Stavanger University Hospital — Stavanger, Rogaland, Norway
• University Hospital of Northern Norway — Tromsø, Troms, Norway
• St. Olavs University Hospital — Trondheim, Tronderlag, Norway

• Wills Eye Hospital — Philadelphia, Pennsylvania, United States

• Xinhua Hospital Affiliated to Shanghai Jiaotong University Medicine School — Shanghai, China

• The Filatov Institute of Eye Diseases and Tissue Therapy — Odesa, Ukraine

• Sichuan Provincial People's Hospital — Chengdu, Sichuan, China

Not specified

• Department of Ophthalmology & Visual Sciences, St Paul's Hospital, Ophthalmology — Vancouver, British Columbia, Canada

Not specified

• Duke Eye Center — Durham, North Carolina, United States

• Hopital Lariboisiere — Paris, Île-de-France Region, France