1 Health Promotion Administration, Ministry of Health and Welfare, Taipei, Taiwan, ROC. Electronic address: chliu@hpa.gov.tw.
2 Health Promotion Administration, Ministry of Health and Welfare, Taipei, Taiwan, ROC. Electronic address: lsy@hpa.gov.tw.
3 Alliance of Healthy Cities in Taiwan, Taipei, Taiwan, ROC; Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC. Electronic address: hwkuo@ym.edu.tw.