Leng, Fei
Ling, Yan
Aji, Gulibositan
Li, Fang
Chen, Jiachao
Luo, Yu
Zhang, Jing
Hu, Ke
Cheng, Ziyun
Lu, Zhiqiang
Article History
Received: 29 March 2017
Accepted: 22 January 2018
First Online: 10 February 2018
Compliance with ethical standards
: The study was approved by the Zhongshan Hospital Ethics Committee.