Guo, Chen
Huang, Tao
Wang, Qing-Hai
Li, Hong
Khanal, Aashish
Kang, En-Hao
Zhang, Wei
Niu, Hai-Tao
Dong, Zhen
Cao, Yan-Wei
Funding for this research was provided by:
Natural Science Foundation of Shan Dong Province (ZR2014HM059)
Foundation of the Affiliated Hospital of Qingdao University (2018)
Article History
Received: 28 March 2019
Accepted: 20 June 2019
First Online: 28 June 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.