1. Department of Ophthalmology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
2. Center for Eye Epidemiology, Jules Stein Eye Institute, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States
3. School of Medicine, Wayne State University, Detroit, Michigan, United States
4. Department of Human Genetics, Department of Biomathematics, David Geffen School of Medicine at UCLA and Department of Biostatistics, UCLA School of Public Health, California, United States
5. Laboratory of General Biology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece