Wan, Yun-Yan
Zhai, Cong-Cong
Lin, Xin-Shan http://orcid.org/0000-0002-0740-4871
Yao, Zhou-Hong
Liu, Qing-Hua
Zhu, Ling
Li, De-Zhi
Li, Xi-Li
Wang, Ning
Lin, Dian-Jie
Article History
Received: 17 January 2018
Accepted: 1 July 2019
First Online: 10 July 2019
Ethics approval and consent to participate
: The Ethics Committee of Shandong Provincial Hospital affiliated to Shandong University approved the study which was conducted according to the principle expressed in the Declaration of Helsinki and the number was NO.2017–225. All patients have provided written informed consents.
: Not applicable.
: The authors declare that they have no competing interests.