Xiao, Shipeng
Liu, Wenguang
Bi, Jianqiang
Liu, Shenghou
Zhao, Heng
Gong, Ningji
Xing, Deguo
Gao, Hongwei
Gong, Mingzhi
Funding for this research was provided by:
Youth Fund of the Second Hospital of Shandong University (Y2014010028)
Key Research And Development Plan of Shandong Provence (No. 2015GSF118107)
Article History
Received: 8 April 2018
Accepted: 13 July 2018
First Online: 20 July 2018
Ethics approval and consent to participate
: This study was approved by the ethics committee of The Second Hospital of Shandong University, and followed the ethical guidelines laid down in the 1975 Declaration of Helsinki. All participants have given informed and written consent.
: All participants have given consent for publication.
: The authors declare that they have no competing interests.
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