[1] Univ Hosp Bern, CH-3010 Bern, Switzerland
[2] Univ Bern, Bern, Switzerland
[3] Univ Hosp Geneva, Geneva, Switzerland
[4] Univ Basel Hosp, CH-4031 Basel, Switzerland
[5] Cantonal Hosp Baden, Baden, Switzerland
[6] Cantonal Hosp Frauenfeld, Frauenfeld, Switzerland
[7] Cantonal Hosp St Gallen, St Gallen, Switzerland
[8] Univ Zurich, Zurich Ctr Integrat Human Physiol, Zurich, Switzerland
[9] Cantonal Hosp Lucerne, Luzern, Switzerland
[10] CHU Vaudois, Lausanne, Switzerland
[11] Univ Lausanne, Lausanne, Switzerland