1 Division of Hospital Medicine, Department of Medicine, University of California, San Francisco, 521 Parnassus Avenue, 5th floor, Box 0131, San Francisco, CA, USA. liz.dzeng@ucsf.edu.
2 Philip R. Lee Institute for Health Policy Studies, University of California, San Francisco, San Francisco, CA, USA. liz.dzeng@ucsf.edu.
3 Cicely Saunders Institute, King's College London, London, England, UK. liz.dzeng@ucsf.edu.
4 University of Regensberg, Regensberg, Germany.
5 Cambia Palliative Care Center of Excellence at UW Medicine, University of Washington, Seattle, WA, USA.
6 Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA.