Yang, Xue
Wang, Qian
Wang, Xin
Mo, Phoenix K. H.
Wang, Zixin
Lau, Joseph T. F. http://orcid.org/0000-0003-2344-7107
Wang, Linhong
Funding for this research was provided by:
The Women Health Branch of the Chinese Preventive Medicine Association.
Article History
First Online: 17 October 2019
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: The manuscript does not contain clinical studies or patient data. The study procedures were carried out in accordance with the Declaration of Helsinki. Ethics approval was obtained from the Ethics Committee of the Chinese University of Hong Kong.