1 Department of Ophthalmology (SH), Rigshospitalet, University of Copenhagen, Denmark; Department of Ophthalmology & Visual Sciences (EI), University of Alberta, Edmonton, Canada; Chair of Ophthalmology (AGL), Blanton Eye Institute, Methodist Hospital, Houston, Texas; and Department of Ophthalmology and Visual Sciences (GPVS), Washington University in St. Louis, St. Louis, Missouri.