FAVORABLE EFFECTS OF IVABRADINE ON SYMPATHETIC OVERDRIVE AND ARTERIAL STIFFENING IN HYPERTENSIVE PATIENTS WITH METABOLIC SYNDROME. - Tsioufis, Konstantinos P.; Dimitriadis, Kyriakos; Kalos, Theodoros; Andrikou, Eirini; Vasileiou, Panagiotis; Milkas, Anastasios; Andrikou, Ioannis; Kasiakogias, Alexandros; Thomopoulos, Costas; Tousoulis, Dimitris (Journal of the American College of Cardiology (JACC), 2016)