Wang, Yulin
Zhao, Weijiang
Liu, Xin
Guan, Gefei
Zhuang, Minghua
Article History
Received: 25 March 2019
Accepted: 8 May 2019
First Online: 24 June 2019
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of the First Hospital of China Medical University, and written informed consent was obtained from each patient.
: Not applicable.
: The authors declare that they have no competing interests.