Body fat will be measured by Bioelectrical impedance analysis (Seca mBCA 515, medical Body Composition Analyzer). Participants will be asked not to eat, not to drink, not to smoke and not to do any sport 1h before BIA measurement. They were also asked not to consume caffeine or alcohol and other drugs 24 hours before. Bladder should be emptied before measurement. Participants are lightly dressed during measurement and wear no tights. Measurement while Standing.