Vandvik Per Olav, Brandt Linn
Department of Health Economics and Health Management, Institute for Health and Society, University of Oslo, Oslo, Norway.
Department of Medicine, Innlandet Hospital Trust, Division Gjøvik, Norway.
J Clin Epidemiol. 2020 Jul;123:166-170. doi: 10.1016/j.jclinepi.2020.02.008. Epub 2020 Mar 4.