1 Division of General Internal Medicine, Medical Education and Palliative Medicine, University of Louisville School of Medicine, Louisville, KY, 40292, USA. barbara.head@louisville.edu.
2 MedCenter One, Suite 330B 501 East Broadway, Louisville, KY, 40202, USA. barbara.head@louisville.edu.
3 Division of General Internal Medicine, Medical Education and Palliative Medicine, University of Louisville School of Medicine, Louisville, KY, 40292, USA.
4 University of Louisville Kent School of Social Work, Louisville, KY, 40292, USA.
5 University of the Free State, Bloemfontain, South Africa.
6 University of Louisville School of Nursing, Louisville, KY, 40292, USA.
7 University Hospital, Louisville, KY, 40202, USA.
8 Office of Undergraduate Medical Education, University of Louisville School of Medicine, Louisville, KY, 40292, USA.