1. Department of Infectious Diseases, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi, China.
2. Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Medical University, Nanning, Guangxi, China.
3. Department of Otorhinolaryngology, Head and Neck Surgery, First Affiliated Hospital, Guangxi University of Chinese Medicine, Nanning, Guangxi, China.
4. Department of Otorhinolaryngology, Guangxi International Zhuang Medical Hospital, Guangxi University of Chinese Medicine, Nanning, Guangxi, China.
5. Laser Research Centre, Faculty of Health Science, University of Johannesburg–Doornfontein Campus, Doornfontein, South Africa.