1. From the Ospedale Ospedale Oftalmico di Roma, Rome, Italy;
2. Fondazione G. B. Bietti, IRCCS (Istituto Ricerca e Cura a Carattere Scientifico), Rome, Italy; and
3. the Department of Mechanics, Structure, and Environment (DiMSAT), University of Cassino, Cassino, Italy.