1. Department of Paediatrics; Herlev Hospital; University of Copenhagen; Herlev Denmark
2. Department of Clinical Medicine; University of Copenhagen; Copenhagen Denmark
3. Department of Epidemiology, Biostatistics and Biodemography; Odense University Hospital; Odense Denmark
4. Department of Ophthalmology; Odense University Hospital; Odense Denmark
5. The Clinical Research Institute; University of Southern Denmark; Odense Denmark
6. OPEN Odense Patient data Explorative Network; Odense University Hospital; Odense Denmark
7. NIHR Biomedical Research Centre at Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology; London UK