Ruan, Zhong-bao
Chen, Ge-cai
Ren, Yin
Zhu, Li
Article History
Received: 7 October 2017
Accepted: 16 February 2018
First Online: 24 February 2018
Compliance with ethical standards
: Written informed consent was obtained from all patients
: The authors declare that they have no competing interests.
: This study was approved by the Ethics Committee of Jiangsu Taizhou People’s Hospital, China (Approval No. TZHEC2012-026).