1. Department of Orthopedics, Hallym University, Chuncheon, Gangwon-do, Korea
2. Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, P. R. China
3. State Key Lab of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, Jilin, P. R. China
4. Department of Pain, Renji Hospital, South Campus, Shanghai Jiaotong University, Shanghai, P. R. China