1. Population Health Laboratory (#PopHealthLab), University of Fribourg , Route des Arsenaux 41 , 1700 Fribourg, Switzerland
2. Institute of Primary Health Care (BIHAM), University of Bern , Mittelstrasse 43, 3012 Bern , Switzerland
3. School of Population and Global Health, McGill University , 3605 de la Montagne, Montreal H3G 2M1, QC , Canada