Derek T. Dangerfield II, PhD, is an Assistant Professor, Johns Hopkins University School of Nursing, Baltimore, Maryland, USA. Allison J. Ober, PhD, MSW, is a Policy and Behavioral Science Researcher, RAND Corporation, Santa Monica, California, USA. Michael J. Li, MD, PhD, is a Postdoctoral Fellow, Department of Family Medicine, University of California Los Angeles, Los Angeles, California, USA. Sophia Allen, BA, is a Research Assistant, Johns Hopkins University School of Nursing, Baltimore, Maryland, USA. Ricky N. Bluthenthal, PhD, is a Professor, Department of Preventive Medicine, Keck School of Medicine of University of Southern California, Los Angeles, California, USA.
*Corresponding author: Derek T. Dangerfield II, e-mail: [email protected]
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