Yajun, Gao
Yan, Zou
Yi, Zhang
si, Chen
yan, Li
Songtao, Ding
Funding for this research was provided by:
Baby-friendly Hospital Development Fund of China Red Cross Foundation (2-3-1-38)
Article History
Received: 25 August 2022
Accepted: 16 February 2024
First Online: 20 February 2024
Declarations
:
: This study was approved by the Medical Ethics Committee of Haidian District Maternal and Child Health Care Hospital, Beijing (Project No. 2019-15).
: None declared.