- Correspondence to Q Fu, Medical Affairs, General Hospital of Jinan Military Command, Jinan 162746, China;
- Received March 12, 2018
- Revision received April 15, 2018
- Accepted April 17, 2018
- First published June 11, 2018.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.