Wang, Nan
Cui, Lianlian
Liu, Zhen
Wang, Yan
Zhang, Yuhua
Shi, Changsong
Cheng, Yanbo
Article History
Received: 9 April 2021
Accepted: 10 June 2021
First Online: 7 July 2021
Declarations
:
: The study protocol was approved by the Research Ethical Committee of Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University. Informed consents were obtained by parents of all study participants (infants). The research was performed in accordance with the Declaration of Helsinki.
: Not applicable.
: None.