1. Department of Clinical Neuroscience, Karolinska Institutet, Astrid Lindgren Children’s Hospital, Stockholm, Sweden.
2. Department of Ophthalmology, Lund University Hospital, Lund, Sweden
3. Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
4. Department of Ophthalmology, Umeå University, Umeå, Sweden
5. Department of Ophthalmology, Örebro University, Örebro, Sweden
6. Centre of Reproduction Epidemiology, Department of Obstetrics and Gynecology, Institute of Clinical Sciences, University of Lund, Lund, Sweden
7. Section of Pediatrics, Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden
8. Section of Pediatric Ophthalmology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
9. Department of Neuroscience (Ophthalmology), Uppsala University Hospital, Uppsala, Sweden