1. Laboratory of Physics, Faculty of Electrical Engineering, University of Ljubljana, Tržaška 25, SI-1000 Ljubljana, Slovenia, Department of Physiotherapy, College of Health Studies, University of Ljubljana, Poljanska 26a, 1000 Ljubljana, Slovenia, Faculty of Natural Sciences and Mathematics, and Medical Faculty, University of Maribor, Slomškov trg 15, SI-2000 Maribor, Slovenia, Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia, and Laboratory of Clinical Biophysics, Faculty of Medicine,...