Department of Endocrinology and Diabetology, Wroclaw Medical University, Wroclaw, Poland. Electronic address: Lukasz.laczmanski@umed.wroc.pl. Department of Health Promotion, Faculty of Physiotherapy, University School of Physical Education, Wroclaw, Poland. PolSenior Project, International Institute of Molecular and Cell Biology, Warsaw, Poland. Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland; Department of Geriatrics and Gerontology, Medical Centre of Postgraduate Education, Warsaw, Poland. Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland. Department of Endocrinology and Diabetology, Wroclaw Medical University, Wroclaw, Poland. Department of Hypertension and Internal Medicine, Pomeranian Medical University, Szczecin, Poland. Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Warsaw, Poland. Department of Pathophysiology, Medical University of Silesia, Katowice, Poland.