1. Univ. Bordeaux, INSERM, BPH, U1219, Bordeaux, France;
2. CHU de Bordeaux, Department of Ophthalmology, Bordeaux, France;
3. World Health Organization, Health Personnel Department, Geneva, Switzerland; and
4. INSERM U 1296 “Radiation, Defense, Health, Environment”, Center Léon Bérard, Lyon, France.