1 Department of Health Care Management, Wharton School of Business, University of Pennsylvania, Philadelphia, PA, USA.
2 Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, USA.
3 Division of General Internal Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
4 Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, USA. atheenv@pennmedicine.upenn.edu.
5 Department of Medical Ethics and Health Policy, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. atheenv@pennmedicine.upenn.edu.