1. Department of Paediatrics, Astrid Lindgren Children’s Hospital, Karolinska University Hospital, Stockholm, Sweden
2. Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
3. Department of Oculoplastic and Orbital Services, St. Erik Eye Hospital, Stockholm, Sweden
4. Department of Molecular Medicine and Surgery, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
5. Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
6. Department of Paediatric Ophthalmology, Strabismus and Electrophysiology, St. Erik Eye Hospital, Stockholm, Sweden