1. Ophthalmology, Leiden University Medical Center, Leiden, The Netherlands
2. Neonatology, Willem-Alexander Children's Hospital, Department of Pediatrics, Leiden University Medical Center, Leiden, The Netherlands
3. Neonatology, Wilhelmina Children's Hospital, Department of Women and Neonate, University Medical Center Utrecht, Utrecht, The Netherlands
4. Medical statistics, Department of Biomedical Data Science, Leiden University Medical Center, Leiden, The Netherlands
5. Pathology, Leiden University Medical Center, Leiden, The Netherlands
6. Pathology, Erasmus Medical Center, Rotterdam, The Netherlands