[1] Geneva Univ Hosp, Div Primary Care Med, Unit Populat Epidemiol, Geneva, Switzerland
[2] Geneva Univ Hosp, Div & Dept Primary Care Med, Geneva, Switzerland
[3] Geneva Univ Hosp, Fac Med, Dept Hlth & Community Med, Geneva, Switzerland
[4] Geneva Univ Hosp, Dept Woman Child & Adolescent Med, Div Gen Pediat, Geneva, Switzerland
[5] Univ Lausanne, Univ Ctr Gen Med & Publ Hlth, Lausanne, Switzerland