1. Koo Foundation Sun Yat-Sen Cancer Center, Taipei, Taiwan2Center for Policy, Outcomes, and Prevention, Center for Health Policy/Primary Care Outcomes Research, Stanford University School of Medicine, Stanford, California3Division of General Pediatrics, Stanford University School of Medicine, Stanford, California
2. Koo Foundation Sun Yat-Sen Cancer Center, Taipei, Taiwan
3. National Health Insurance Administration, Ministry of Health and Welfare, Taipei, Taiwan
4. Koo Foundation Sun Yat-Sen Cancer Center, Taipei, Taiwan5Department of Medicine, Duke University, Durham, North Carolina