Li, Lan-Hua
Zhang, Yi
Wang, Jia-Zhi
Li, Xi-Shang
Yin, Shou-Qin
Zhu, Dan
Xue, Jing-Bo
Li, Sheng-Guo
Funding for this research was provided by:
National Key Research and Development Program of China (Nos. 2016YFC1202001, 2016YFC1200500)
the Special Fund for Health Research in the Public Interest China (No. 201202019)
Scientific Research Foundation for Doctors of Weifang Medical College (No. 2017BSQD52)
Article History
Received: 11 May 2018
Accepted: 1 August 2018
First Online: 14 August 2018
Ethics approval and consent to participate
: No specific permits were required for this study. The study did not involve endangered or protected species. Therefore, the local ethics committee deemed that approval was unnecessary.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.