1 Rutgers New Jersey Medical School, Newark, NJ, USA. Electronic address: [email protected].
2 Baylor College of Medicine, Cullen Eye Institute, Houston, TX, USA.
3 Retina Consultants San Diego, San Diego, CA, USA.
4 Camden Medical Centre, Singapore 248649, Singapore.
5 Ophthalmology, Hospital Universitario La Fe, Valencia, Spain.
6 Department of Surgery, McMaster University, Hamilton, Ontario, Canada; Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada.