Italian Agency for Development Cooperation, Jerusalem, Israel. The Cambridge Centre for Sport & Exercise Sciences, Anglia Ruskin University, Cambridge, UK. Faculty of Medicine and Health and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia. Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy. Ambulatory of Clinical Nutrition, National Institute of Gastroenterology, Research Hospital, IRCCS "Saverio de Bellis" of Castellana Grotte (BA), 70013, Castellana Grotte, Italy. Zerouno Procreazione, Centro di Medicina, Venezia Mestre, Venice, Italy. Primary Care Department Azienda USL Toscana Sud Est, Grosseto, Italy. Unit of Andrology and Reproductive Medicine, Department of Medicine, University of Padova, Padova, Italy. Department of Social and Preventive Medicine, Centre for Public Health, Medical University of Vienna, Vienna, Austria. National Research Council, Neuroscience Institute, Aging Branch, 35128, Padova, Italy. ilmannato@gmail.com. Primary Care Department, Geriatric Unit, Azienda ULSS (Unità Locale Socio Sanitaria) 3 "Serenissima", Dolo-Mirano District, Milano, Italy. ilmannato@gmail.com.