He helped launch similar campaigns in Taiwan, Indonesia and Iraq under the auspices of the World Health Organization, and subsequently served as a member and consultant of the WHO's International Panel of Trachoma Experts.
在世界卫生组织支持下，他在台湾、印尼和伊拉克帮助推出类似的活动，并随后作为世界卫生组织国际沙眼专家组成员和顾问。