1. Department of Medicine, University of Perugia, Perugia, Italy
2. Unit of Internal Medicine, Terni University Hospital, Terni, Italy
3. Department of Medical Sciences – Hypertension Center, University of Torino – AOU Città della Salute e della Scienza di Torino, Torino, Italy
4. Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy