1. Department of Medicine Salerno University Medical School Salerno Italy
2. Division of Geriatrics and Nutritional Science Washington University in St.Louis St.Louis MO USA
3. CEINGE Biotecnologie Avanzate Napoli Italy
4. Department of Medical Sciences Gerontology‐Geriatric Research Laboratory IRCCS Casa Sollievo della Sofferenza San Giovanni Rotondo Italy
5. Unit of Biostatistics IRCCS “Casa Sollievo della Sofferenza” San Giovanni Rotondo Italy
6. Unit of Biostatistics DCPE Consorzio Mario Negri Sud Santa Maria Imbaro Chieti Italy
7. National Institute on Aging Longitudinal Studies Section Harbor Hospital Center Baltimore MD USA
8. Geriatrics Unit Azienda ULSS 16 Padova S Antonio Hospital Padova Italy