1 Swiss Centre for Antibiotic Resistance (ANRESIS), Institute for Infectious Diseases, University of Bern, Bern, Switzerland. Electronic address: catherine.pluess@unibe.ch.
2 Department of Family Medicine, Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland.
3 Institute of Primary Care, University of Zurich and University Hospital Zurich, Zurich, Switzerland.
4 Swiss Centre for Antibiotic Resistance (ANRESIS), Institute for Infectious Diseases, University of Bern, Bern, Switzerland.