Search strategy.
MeSH = Medical Subject Headings.
Note: Journals retrieved: Annals of Family Medicine, Archives of Family Medicine, Asia Pacific Family Medicine, Australian Family Physician, Australian Journal of Primary Health, British Journal of General Practice, Canadian Family Physician, Family and Community Health, Family Medicine, Family Practice, Family Process, Informatics in Primary Care, Journal of the American Board of Family Medicine, Journal of Ambulatory Care Management, Journal of Epidemiology and Community Health, Journal of Family Practice, Journal of Interprofessional Care, Journal of the Royal College of General Practitioners, Journal of Integrated Care, Journal of Informed Primary Care, Scandinavian Journal of Caring Sciences, Zeitschrift für Allgemeinmedizin.