1. Department of Hospital Infection, Shenzhen Stomatology Hospital, Shenzhen, China.
2. Department of Endodontics, Shenzhen Stomatology Hospital, Shenzhen, China.
3. Department of Nursing, Shenzhen Stomatology Hospital, Shenzhen, China.
4. Department of Periodontology, Shenzhen Stomatology Hospital, Shenzhen, China.
5. Institute of Neurology, National Clinical Research Center for Infectious Diseases, the Third People's Hospital of Shenzhen, Shenzhen, China.
6. Department of Orthodontics, Shenzhen Stomatology Hospital, Shenzhen, China.