1 Department of Public Health and Community Medicine, General Practice/Family Medicine, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
2 Research, Development, Education and Innovation, Primary Health Care, Research and Development Center, Södra Älvsborg, Region Västra Götaland, Boras, Sweden.
3 Centre for Antibiotic Resistance Research (CARe) at University of Gothenburg, Gothenburg, Sweden.
4 The Primary Health Care Clinic for Homeless People, Närhälsan, Region Västra Götaland, Gothenburg, Sweden.
5 Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, Athens, GA, USA.
6 General Internal Medicine, UAB, Birmingham, AL, USA.
7 Primary Care Research Centre, University of Southampton, Southampton, UK.
8 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands.
9 Antibiotic Centre for Primary Care and Department of General Practice, Institute of Health and Society, University of Oslo, Oslo, Norway.