1. Department of Otolaryngology-Head & Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
2. Medical Research Center, Guangxi Medical University, Nanning, China
3. Department of Environmental and Molecular Medicine, Mie University Graduate School of Medicine, Mie, Japan
4. Faculty of Nursing Science, Suzuka University of Medical Science, Suzuka, Japan
5. Department of Head and Neck Surgery, Affiliated Cancer Hospital of Guangxi Medical University, Nanning, China