Xiao, Ai-qing
Sun, Jing
Zhu, Li-hui https://orcid.org/0000-0002-4708-2512
Liao, Zhen-yu
Shen, Ping
Zhao, Lin-lin
Latour, Jos M.
Funding for this research was provided by:
Education Department of Hunan Province (CX2018B510)
Health Commission of Hunan province (C2019015)
Hunan Provincial Government, the One Hundred Talent Program
Article History
Received: 5 September 2019
Revised: 28 October 2019
Accepted: 3 November 2019
First Online: 1 December 2019
Compliance with ethical standards
: All procedures performed in the studies were in accordance with the ethical standards of Ethics Committee of Hunan Children’s Hospital, Xiangtan Central Hospital and the Declaration of Helsinki.
: All authors declare no competing interest and no financial conflicts.
: The protocol was approved by the Ethics Committee of Hunan Children’s Hospital (HCHLL-2018-06). Parents were informed that their decision to refuse or withdraw from the study would not impact on the care of their infant.
: Written informed consent was obtained from all parents included in the study.