[1] Erasmus MC, Dept Ophthalmol, Rotterdam, Netherlands
[2] Erasmus MC, Dept Epidemiol, Rotterdam, Netherlands
[3] Martini Hosp, Dept Ophthalmol, Groningen, Netherlands
[4] Erasmus MC, Dept Clin Genet, Rotterdam, Netherlands
[5] Hogeschool Utrecht, Dept Orthopt & Optometry, Utrecht, Netherlands
[6] Radboud Med Ctr, Dept Ophthalmol, Nijmegen, Netherlands
[7] Inst Mol & Clin Ophthalmol, Basel, Switzerland