1. Wen-Ta Chiu is with AHMC Health System, Alhambra, CA, and the Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA. Ronald P. Laporte is formerly with the Supercourse Project, World Health Organization Collaborating Centre, Pittsburgh, PA, and the Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA. Jonathan Wu is with the AHMC Health System, Alhambra, CA.