Stanford Health Care - Office of Research Patient Care Service, University of California, San Francisco (UCSF) - Institute for Health Policy Studies, Saint Francis Memorial Hospital, University of California, San Francisco (UCSF) - Center for Nursing Excellence and Innovation, Stanford Health Care - Office of Research Patient Care Service, Stanford University - Clinical Excellence Research Center, Stanford University - Clinical Excellence Research Center, Stanford University - Clinical Excellence Research Center, Government of the United States of America - VA Palo Alto Health Care System, Stanford Health Care - Office of Research Patient Care Service and Government of the United States of America - VA Palo Alto Health Care System

Government of the United States of America - VA Eastern Colorado Health Care System, Government of the United States of America - VA Palo Alto Health Care System, University of Pennsylvania - Penn Statistics in Imaging and Visualization Center (PennSIVE), affiliation not provided to SSRN, University of California, San Francisco (UCSF), affiliation not provided to SSRN, affiliation not provided to SSRN, University of Washington, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN