[1] Southwest Med Univ, Affiliated Tradit Chinese Med Hosp, Dept Orthoped, Luzhou 646000, Sichuan, Peoples R China
[2] Southwest Med Univ, Affiliated Tradit Chinese Med Hosp, Coll Integrated Chinese & Western Med, Luzhou 646000, Sichuan, Peoples R China
[3] Southwest Med Univ, Affiliated Tradit Chinese Med Hosp, Ctr Phen Tradit Chinese Med, Luzhou 646000, Sichuan, Peoples R China
[4] Southwest Med Univ, Affiliated Tradit Chinese Med Hosp, Dept Otorhinolaryngol, Luzhou 646000, Sichuan, Peoples R China