http://reply.papertrans.cn/1/57/5664/5664-31.png
http://reply.papertrans.cn/1/57/5664/5664-32.png
http://reply.papertrans.cn/1/57/5664/5664-33.png
http://reply.papertrans.cn/1/57/5664/5664-34.png
Submitted on: 23 June 2013.
Revised on: 08 October 2013.
Accepted on: 02 November 2013.
___________________Clinical Medicine Insights-Arthritis and Musculoskeletal Disorders
http://reply.papertrans.cn/1/57/5664/5664-36.png