Yuan, Fuzhen
Sun, Zewen
Wang, Haijun
Chen, Yourong
Yu, Jiakuo
Article History
Received: 20 May 2018
Accepted: 3 December 2018
First Online: 11 December 2018
Compliance with ethical standards
: The trial was registered in a public trial registry (International Standard Randomized Trial No. NCT02268097) and was approved by the institutional review board (IRB00006761-2011072). Informed consent was obtained from all enrolled patients.
: The authors declare that they have no conflicts of interest.