1. Diabetes and Islet Transplantation Unit, Department of Diagnostic and Therapeutic Services, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), UPMC, Palermo, 90127, Italy
2. Unit of Internal Medicine, Department of Health Promotion Sciences, Maternal & Infant Care, Internal Medicine & Medical Specialties (PROMISE), University of Palermo, Policlinico Universitario Paolo Giaccone, Palermo, 90127, Italy
3. Unit of Nephrology & Hypertension, European Society of Hypertension Excellence Center, Department of Health Promotion Sciences, Maternal & Infant Care, Internal Medicine & Medical Specialties (PROMISE), University of Palermo, Policlinico Universitario Paolo Giaccone, Palermo, 90127, Italy
4. Department of Health Promotion Sciences, Maternal & Infant Care, Internal Medicine & Medical Specialties (PROMISE), University of Palermo, Policlinico Universitario Paolo Giaccone, Palermo, 90127, Italy
5. Unit of Internal Medicine, ‘G. Longo’ hospital, Mussomeli (CL), 93014, Italy
6. Office of Research, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), UPMC, Palermo, 90127, Italy