Venkataramani Atheendar S, O'Brien Rourke, Tsai Alexander C
Department of Medical Ethics and Health Policy, Perelman School of Medicine, University of Pennsylvania, Philadelphia.
Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia.
JAMA. 2021 Feb 16;325(7):621-622. doi: 10.1001/jama.2020.26339.