Guo, Jianbin
Zhang, Ying http://orcid.org/0000-0002-0019-092X
Qian, Haili
Ma, Fei
Cui, Xiujuan
Duan, Hua
Funding for this research was provided by:
Beijing High-level Health Personnel Training Program ((2015-3-090))
Article History
Received: 5 June 2019
Accepted: 21 September 2019
First Online: 1 October 2019
Compliance with ethical standards
:
: The author declares that they have no competing interests.