1. Ocular Imaging Research and Reading Center (OIRRC); Menlo Park California USA
2. Advanced Eye Center, Department of Ophthalmology; Postgraduate Institute of Medical Education and Research (PGIMER); Chandigarh India
3. Eye Clinic, Department of Biomedical and Clinical Science, Luigi Sacco Hospital; University of Milan; Milan Italy
4. Byers Eye Institute; Stanford University; Palo Alto California USA