Salaffi, Fausto, Sonia Farah, and Marco Di Carlo. “Smartphone APPlications in the Clinical Care and Management of Rheumatic Diseases”. Acta Bio Medica Atenei Parmensis 89, no. 1 (March 27, 2018): 7-26. Accessed December 10, 2018. http://mattioli1885journals.com/index.php/actabiomedica/article/view/6545.