1 National Clinician Scholars Program, Duke University, 40 Duke Medicine Circle, Durham, NC 27705, USA. Electronic address: adynski@icn.ch.
2 Division of General Internal Medicine and Health Services Research, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA.
3 National Clinician Scholars Program, Duke University, 40 Duke Medicine Circle, Durham, NC 27705, USA.
4 School of Nursing, University of North Carolina at Chapel Hill, 100 Medical Dr., Chapel Hill, NC 27514, USA.