[1] Univ Bern, Bern Univ Hosp, Dept Gen Internal Med, Inselspital, Bern, Switzerland
[2] Maastricht Univ, Fac Hlth Med & Life Sci, NL-6229 ER Maastricht, Netherlands
[3] Univ Bern, Bern Univ Hosp, Dept Infect Dis, Inselspital, Bern, Switzerland
[4] Hop Neuchatelois, Div Med, Neuchatel, Switzerland
[5] Regionalspital Emmental, Dept Gen Internal Med, Burgdorf, Switzerland
[6] Kantonsspital St Gallen, Div Gen Internal Med, St Gallen, Switzerland
[7] Lausanne Univ Hosp, Dept Internal Med, Lausanne, Switzerland
[8] Lausanne Univ Hosp, Med Educ Unit, Lausanne, Switzerland
[9] Univ Lausanne, Lausanne, Switzerland
[10] Univ Bern, Inst Med Educ, Bern, Switzerland