国家自然科学基金81470650;国家重点研发计划精准医学研究重点专项课题2016YFC0901505;儿科遗传性疾病分子诊断与研究北京市重点实验室BZ0317National Natural Science Foundation of China81470650;Precision Medicine Research Key Special Subject of National Key Research and Development Plan2016YFC0901505;Beijing Key Laboratory of Molecular Diagnosis and Research of Pediatric Hereditary DiseasesBZ0317