1. Third Department of Medicine (I.D., P.K., D.H., Z.L., M.M., M.H.), First Faculty of Medicine, Charles University and General University Hospital, 128 00 Prague 2, Czech Republic
2. Departments of Sports Medicine (D.H.), First Faculty of Medicine, Charles University and General University Hospital, 128 00 Prague 2, Czech Republic
3. Psychiatry (H.P.), First Faculty of Medicine, Charles University and General University Hospital, 128 00 Prague 2, Czech Republic