Jin, Fengyan
Hagemann, Nina
Sun, Li
Wu, Jiang
Doeppner, Thorsten R.
Dai, Yun https://orcid.org/0000-0003-2285-0818
Hermann, Dirk M.
Funding for this research was provided by:
National Natural Science Foundation of China (81471165)
National Natural Science Foundation of China (81670190)
National Natural Science Foundation of China (81670189)
Jilin Provincial Health and Family Planning Research Program (20142041)
Deutsche Forschungsgemeinschaft (HE3173/2-1)
Deutsche Forschungsgemeinschaft (HE3173/3-1)
Dr. Werner-Jackstädt Foundation
Heinz-Nixdorf Foundation
Article History
Received: 11 December 2017
Accepted: 6 February 2018
First Online: 15 February 2018
Compliance with ethical standards
:
: All authors declare no conflict of interest.