1 School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA. Electronic address: wrosa@nursing.upenn.edu.
2 Division of Palliative Care and Geriatric Medicine, Massachusetts General Hospital, Boston, MA, USA; Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA.
3 Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA; Division of Global Health Equity, Brigham and Women's Hospital, Boston, MA, USA.
4 Partners In Health Liberia, Harper, Liberia.
5 Partners In Health, Boston, MA, USA.
6 All-Party Parliamentary Group on Global Health, House of Lords, London, UK.
7 Trivandrum Institute of Palliative Services (WHO Collaborating Centre for Training and Policy on Access to Pain Relief), Pallium India, Trivandrum, India.