[1] Okayama Univ, Grad Sch, Dept Orthopaed Surg, Okayama 7008530, Japan
[2] Okayama Univ Hosp, Ctr Innovat Clin Med, Okayama, Japan
[3] Okayama Univ, Grad Sch, Dept Med Mat Musculoskeletal Reconstruct, Okayama 7008530, Japan
[4] Oncolys BioPharma Inc, Tokyo, Japan
[5] Okayama Univ, Grad Sch, Dept Gastroenterol Surg, Okayama 7008530, Japan