1 Augenzentrum Nymphenburger Höfe and Augenklinik Herzog Carl Theodor, München, Germany; Department of Ophthalmology, University of Heidelberg, Heidelberg, Germany.
2 Department of Ophthalmology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
3 Cleveland Clinic Foundation, Cole Eye Institute, Cleveland, OH, USA.
4 Department of Ophthalmology, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
5 Department of Ophthalmology, Tan Tock Seng Hospital, Singapore.