Chen, Si
Wen, Xiaoting
Wang, Qian
Li, Jing
Li, Yuan
Li, Liubing
Yuan, Hui
Zhang, Fengchun
Li, Yongzhe
Article History
Received: 25 February 2018
Revised: 25 July 2018
Accepted: 5 August 2018
First Online: 25 August 2018
Compliance with ethical standards
: This study was approved by the Ethics Committee of the Peking Union Medical College Hospital (Beijing, China). Informed consent was obtained from all individuals participating in this study.
: None.