1. Global estimates of diabetes prevalence in adults for 2013 and projections for 2035;Guariguata;Diabetes Res Clin Pract,2014
2. Global status report on non communicable diseases 2010,2011
3. Italian national institute of statistics. http://www3.istat.it/dati/catalogo/20121218_00/.
4. Definition, diagnosis and classification of diabetes mellitus and its complications. Part 1: diagnosis and classification of diabetes mellitus,1999
5. Standards of medical care in diabetes – 2014;American Diabetes Association;Diabetes Care,2014