1 Department of Medical Sciences, Scientific Institute "Casa Sollievo della Sofferenza", San Giovanni Rotondo (FG), Italy.
2 Università degli Studi and IRCCS Azienda Ospedaliera Universitaria San Martino-IST, Genova, Italy.
3 Department of Medicine, University of Padova, Padova, Italy.
4 Diabetes and Metabolism Unit ASL Turin 5, Chieri (TO), Italy.
5 Institut d'Investigacions Biomèdiques August Pii Sunyer (IDIBAPS) and Centro de Investigación Biomédicaen Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona, Spain.
6 U.O. Diabetologia e Malattie Metaboliche, Multimedica IRCCS, Sesto San Giovanni, Milano, Italy.
7 Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy.
8 Associazione Medici Diabetologi, Rome, Italy.
9 Department of Medical Sciences, Scientific Institute "Casa Sollievo della Sofferenza", San Giovanni Rotondo (FG), Italy. sdecosm@tin.it.