1. Sino-German Institute of Intelligent Manufacturing, Ningbo Polytechnic, Ningbo, China;
2. Key Laboratory of E&M (Zhejiang University of Technology), Ministry of Education & Zhejiang Province, Hangzhou, China;
3. Department of Stomatology, Zhejiang Provincial People’s Hospital, Hangzhou, China;
4. Department of Stomatology, People’s Hospital of Quzhou, Quzhou, Zhejiang Province, China