Luo, Long-hua, Department of urology, the First Affiliated Hospital of Nanchang University, Nanchang. No. 17, Yongwaizheng Avenue, Donghu District, Nanchang, Jiangxi 330006, People’s Republic of China. (China)
Luo, Yi, Department of Orthopedics, Jin Shan Branch Hospital of Sixth People’s Hospital of Shanghai, Shanghai 201599, China. (China)
Lv, Bo-kang