摘要
The prevalence of childhood asthma has increased rapidly in China[1].In Shanghai,the prevalence has increased from 2.1%in 1990 to 10.2%in 2011 in 3-to 7-year-old children[2].Various environmental and lifestyle factors have been suspected of association with the increasing prevalence of asthma in childhood[3,4].Numerous studies have investigated possible associations between
The prevalence of childhood asthma has increased rapidly in China [1]. In Shanghai, the prevalence has increased from 2.1% in 1990 to 10.2 % in 2011 in 3- to 7-year-old children [2]. Various environmental and lifestyle factors have been suspected of association with the increasing prevalence of asthma in childhood [3, 4].
基金
supported by the National Natural Science Foundation of China(51278302)
the Innovation Program of Shanghai Municipal Education Commission(14ZZ132)
Hujiang Foundation of China(D14003)
the Innovation Fund Project for Graduate Student of Shanghai(JWCXSL1401)
