Generation of Prediction Equations for BIA of the Elderly

Inclusion Criteria: * male and female subjects older than 60 years, * stable medication (no changes during the past 6 months), * subjects need to be able to sign the informed consent and privacy policy Exclusion Criteria: * acute disease * intake of diuretics * wearing of support stockings * edema diagnosed by inspection and palpation of lower limbs * paralysis e.g. after a stroke * neurodegenerative diseases e.g. ALS * tumors in treatment * amputation * electronic implants e.g. pacemaker * under the skin applied injection systems (e.g. insulin pumps or pain pumps) * probands who cannot provide an ICF by themselves * probands who might be dependent from the sponsor or the investigation site * current alcohol abuse * active prostheses * electronic life-support systems, e.g. artificial heart, artificial lung * portable electronic medical devices, e.g. ECG devices or infusion pumps * metallic implants * cochlea implants und heart valves prothesis (e.g. Starr-Edwards-Prothesis) * vessel clips in the brain or medulla applied before 1995 * defeatable pumps * catheter * iron or metallic parts in the body (e.g. shard of metal) * dental braces * magnetic tooth implants * not removeable piercings * extensive tattoos