[Xiang, Yanjie] Shanghai Jiao Tong Univ, Xinhua Hosp, Ctr Reprod Med, Sch Med, Shanghai, Peoples R China.
[Wang, Xiaohan] Rizhao Hosp Tradit Chinese Med, Dept Obstet, Rizhao, Shandong, Peoples R China.
[Gong, Yongqian] Univ South China, Affiliated Hosp 1, Hengyang Med Sch, Dept Otorhinolaryngol, Guangzhou, Hunan, Peoples R China.
[Xiang, Xianfeng] Shanghai Jiao Tong Univ, Renji Hosp, Sch Med, Dept Intervent Oncol, Shanghai, Peoples R China.
[Xiang, Xianfeng] Shanghai Jiao Tong Univ, Renji Hosp, Sch Med, Dept Intervent Oncol, Shanghai 200127, Peoples R China.