Giuliano Tocci1, Maria Lorenza Muiesan2, Massimo Volpe3. 1. Hypertension Unit, Division of Cardiology, Department of Clinical and Molecular Medicine, University of Rome Sapienza, Sant'Andrea Hospital, Rome, Italy. giuliano.tocci@uniroma1.it. 2. Department of Clinical and Experimental Sciences, University of Brescia, and Division of Internal Medicine 2, ASST Spedali Civili, Brescia, Italy. 3. Hypertension Unit, Division of Cardiology, Department of Clinical and Molecular Medicine, University of Rome Sapienza, Sant'Andrea Hospital, Rome, Italy.