1. LAC+USC Medical Center, Los Angeles, California, USA.
2. Department of Medicine, Section of Palliative Medicine, Keck School of Medicine of University of Southern California, Los Angeles, California, USA.
3. Department of Medicine, Division of Palliative Medicine, University of California San Francisco, San Francisco, California, USA.
4. Kerr Healthcare Analytics, Mill Creek, California, USA.
5. Department of Medicine, Division of Hospital Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, California, USA.
6. Department of Medicine, University of California San Francisco, San Francisco, California, USA.