[1] Univ Hosp Bern, Dept Hypertens & Nephrol, CH-3010 Bern, Switzerland
[2] Univ Hosp Bern, Dept Clin Res, CH-3010 Bern, Switzerland
[3] Univ Hosp Bern, Inst Clin Chem, CH-3010 Bern, Switzerland
[4] McMaster Univ, Hamilton Gen Hosp, Canada Res Chair Cardiovasc Obes Res & Management, Hamilton, ON L8L 2X2, Canada
[5] Charite Campus Benjamin Franklin, Dept Psychosomat & Psychotherapy, Berlin, Germany