[1] Stadtspital Zurich Waid, Inst Emergency Med, CH-8037 Zurich, Switzerland
[2] Sanacare Gruppenpraxis Zurich Stadelhofen, GP Practice, Gottfried Keller Str 7, CH-8001 Zurich, Switzerland
[3] Univ Basel, Univ Hosp Basel, Dept Cardiol, CH-4031 Basel, Switzerland
[4] Univ Basel, Univ Hosp Basel, Cardiovasc Res Inst Basel, CH-4031 Basel, Switzerland
[5] Hochgebirgsklinik, Med Campus Davos,Herman Burchard Str 1, CH-7270 Davos, Switzerland
[6] Univ Zurich, Univ Hosp Zurich, Univ Heart Ctr Zurich, Dept Cardiol,Ctr Translat & Expt Cardiol CTEC, CH-8006 Zurich, Switzerland
[7] Christine Kuhne Ctr Allergy Res & Educ CK CARE, Med Campus Davos, CH-7265 Davos, Switzerland