1 Cardiac Rehabilitation Unit and Department of Research and Education, General Hospital Murska Sobota, Rakican, Ulica dr. Vrbnjaka 6, Murska Sobota 9000, Slovenia.
2 Department of Vascular Diseases, University Medical Centre Ljubljana, Zaloška 7, Ljubljana 1000, Slovenia.
3 Faculty of Medicine, University of Ljubljana, Zaloška 7, Ljubljana 1000, Slovenia.
4 Heart Failure Unit, G. da Saliceto Hospital, AUSL Piacenza, Via Taverna Giuseppe 49, Piacenza 29121, Italy.
5 Institute of Life Sciences, Sant'Anna School of Advanced Studies, Via Santa Cecilia 3, Pisa 56127, Italy.
6 Division of Cardiology, Department of Internal Medicine, General Hospital Murska Sobota, Rakican, Ulica dr. Vrbnjaka 6, Murska Sobota 9000, Slovenia.