1. Department of Health Promotion, Mother and Childcare, Internal Medicine and Medical Specialties “G. D’Alessandro”, University of Palermo, Via del Vespro 133, 90127 Palermo, Italy
2. Department of Public Health, Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
3. Department of Biomedicine, Neuroscience and Advanced Diagnostics, AOUP Paolo Giaccone, University of Palermo, Via del Vespro 133, 90127 Palermo, Italy
4. School of Medicine, University Kore of Enna, 94100 Enna, Italy
5. Centro di Ateneo “MIGRARE”, Università degli Studi di Palermo, 90133 Palermo, Italy