- Correspondence to Ji Li-Juan, Department of Rehabilitation, The Second People's Hospital of Huai'an, Huai'an 223301, China; (firstname.lastname@example.org), or Xu Jiang (email@example.com)
- Received September 26, 2014
- Revised October 13, 2014
- Accepted October 18, 2014
- First published November 12, 2014.
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