Wang, Qiu-Ying
Tong, Ai-Hua
Pan, Ying-Ying
Zhang, Xian-Dang
Ding, Wen-Yu
Xiong, Wen
Funding for this research was provided by:
Medical and Health Science and Technology Innovation Project of Shandong Academy of Medical Sciences
Article History
Received: 25 October 2019
Accepted: 9 December 2019
First Online: 19 December 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.