It was supported by a hksar government central allocation grant disbursed by the research grants council of the university grants committee of hong kong and by funding from the university of hong kong and the national institute for child health and human development of the u . s . department of health and human services 参与研究工作的包括来自美国georgetownuniversity医学中心和匹兹堡大学的科研人员。该研究项目由政府的研究资助局拨款；另外，港大与美国卫生部属下的国立儿童健康及人类发展研究院( nationalinstituteforchildhealthandhumandevelopmentoftheu
