Po-Chang Lee, M.D., M.T.L. is the director general of the National Health Insurance Administration at the Ministry of Health and Welfare, Taiwan, in Taipei, Taiwan. Joyce Tsung-Hsi Wang, M.D., M.P.H., Ph.D. is the director of the Planning Division, National Health Insurance Administration, at the Ministry of Health and Welfare, Taiwan, in Taipei, Taiwan. Tzu-Yu Chen, M.S. is the associate researcher of the Information Management Division, National Health Insurance Administration, at the Ministry of Health and Welfare, Taiwan, in Taipei, Taiwan. Chia-hui Peng, M.P.H. is the specialist of the Planning Division, National Health Insurance Administration, at the Ministry of Health and Welfare, Taiwan, in Taipei, Taiwan.