1. Department of Health Policy and Management, Johns Hopkins School of Public Health, Baltimore, MD, USA
2. Positive Rhetoric LLC, Phoenix, AZ, USA
3. Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
4. Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
5. Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD, USA
6. Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA