1. Glaucoma Unit, 1st University, Department of Ophthalmology, AHEPA Hospital, Thessaloniki, Greece.
2. Center for the Study of Glaucoma, University of Brescia, Brescia, Italy.
3. Department Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
4. PRN Pharmaceutical Research Network, LLC, Cheyenne, Wyoming.