[1] Andrzej Frycz Modrzewski Krakow Univ, Clin Locomotor Disorders, PL-30705 Krakow, Poland
[2] Malopolska Orthoped & Rehabil Hosp, Modrzewiowa 22, PL-30224 Krakow, Poland
[3] Jagiellonian Univ, Dept Diagnost Imaging, Med Coll, Kopern 19, PL-31501 Krakow, Poland
[4] AGH Univ Sci & Technol, Dept Biocybernet & Biomed Engn, PL-30059 Krakow, Poland
[5] AGH Univ Sci & Technol, Fac Geol Geophys & Environm Protect, PL-30059 Krakow, Poland