1. Department of Human and Pediatric Pathology “Gaetano Barresi”, University of Messina, 98122 Messina, Italy
2. Department of Sciences for Health Promotion and Mother and Child Care “G. D’Alessandro”, University of Palermo, 90128 Palermo, Italy
3. University of Cagliari & “A. Cao” Pediatric Hospital, Brotzu Hospital Trust, 09047 Cagliari, Italy
4. Department of Psychology, Educational Science and Human Movement, University of Palermo, 90141 Palermo, Italy
5. Oasi Research Institute-IRCCS, Via Conte Ruggero 73, 94018 Troina, Italy
6. Rehabilitation and Education Center “Dismed Onlus-Centro Studi per Le Disabilita’ del Mediterraneo”, 98100 Messina, Italy
7. Department of Clinical and Experimental Medicine, University of Messina, 98122 Messina, Italy