国家自然科学基金31471204;深圳市科技计划基础研究项目JCYJ20150402090413001;深圳科技创新委员会资助“深圳市出生前缺陷预防控制重点实验室” National Natural Science Foundation of China31471204;Shenzhen Science and Technology Innovation Planning ProjectJCYJ20150402090413001;Shenzhen Key Laboratory of Birth Defects Prevention and Control