Funding for this research was provided by:
National Health and Family Planning Commission of the People's Republic of China
Young Scientists Fund (71503010)
Received: 13 January 2019
Accepted: 5 June 2019
First Online: 2 July 2019
Ethics approval and consent to participate
: This study was formative research conducted as part of an evaluation program about the NBPHSP conducted by Jianxia Yang. Ethical approval was obtained from the Biomedical Ethics Committee, Anhui Medical University.
: Not applicable.
: The authors declare that they have no competing interests.