[1] Huazhong Univ Sci & Technol, Dept Orthopaed, Union Hosp, Tongji Med Coll, Wuhan, Hubei, Peoples R China
[2] Fourth Mil Med Univ, Dept Rheumatol, Tangdu Hosp, Xian, Shaanxi, Peoples R China
[3] Harvard Med Sch, Dept Plast Surg, Brigham & Womens Hosp, Boston, MA 02115 USA