Holtanklinikken, Bø i Telemark, Bø, Telemark, Norway
Sykehuset Innlandet HF Gjøvik, Gjøvik, Norway
Legevakten i Oslo, Oslo, Norway
Antibiotic Centre for Primary Care, University of Oslo, Oslo, Norway
Akershus University Hospital, Nordbyhagen, Norway
Oslo University Hospital, Ullevaal, Oslo, Norway
Oslo University Hospital, Rikshospitalet, Oslo, Norway
University of Oslo, Oslo, Norway
Institute of Primary Care and Community Health, Faculty of Medicine, University of Oslo., Oslo, Norway
Grålum legesenter, Sarpsborg, Norway
Department of health science, University of Oslo, Oslo, Oslo 0317, Norway
Section of Nursing and Health Science, University of Oslo, Oslo, Norway