Huo, Xiaona
Chu, Shuyuan
Hua, Li
Bao, Yixiao
Du, Li
Xu, Jian
Zhang, Jun
Funding for this research was provided by:
National Natural Science Foundation of China (81530086, 81673189)
Shanghai Health and Family Planning Commission (15GWZK0401, 201640363)
Shanghai Science and Technology Commission (14XD1403300)
Article History
Received: 14 September 2017
Accepted: 5 July 2018
First Online: 23 August 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine. All parents provided a written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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