[1
]Departments of Pediatrics, Medicine, and Health Research and Policy, Stanford University
School of Medicine, Stanford, California
[2
]The New School for Leadership in Health Care, Koo Foundation Sun Yat-Sen Cancer Center,
Taipei, Taiwan
[3
]David Geffen School of Medicine, Department of Medicine, University of California,
Los Angeles
[4
]The Pardee RAND Graduate School, RAND Corporation, Santa Monica, California