1. Department of Ophthalmology, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
2. Department of Ophthalmology, Justus Liebig University Giessen, Universitaetsklinikum Giessen and Marburg GmbH, Giessen, Germany
3. Pediatric Ophthalmology and Strabismus Department, Prof Dr N Reşat Belger Beyoglu Education and Research Eye Hospital, Istanbul, Turkey
4. Centre d'Ophtalmologie du Lez et Clinique St Jean, Montpellier, France
5. Department of Ophthalmology, Chia-Yi Christian Hospital, Chia-Yi, Taiwan
6. Case Western Reserve University School of Medicine, Cleveland, OH, USA
7. The Rotterdam Eye Hospital, Rotterdam, Netherlands
8. Pediatric Ophthalmology Division, Dhahran Eye Specialist Hospital, Dhahran, Saudi Arabia
9. Institute of Ophthalmology, King Edward Medical University, Mayo Hospital, Lahore, Pakistan
10. Department of Ophthalmology, University of Nevada Reno School of Medicine, Renown Medical Center, Reno, NV,
USA