1. School of Stomatology, Zhejiang Chinese Medical University, Hangzhou, China
2. Shanghai Stomatological Hospital, Fudan University, Shanghai, China
3. The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
4. Orthodontic Center, Perfect Dental Care, Golden Mansion, Hangzhou, China
5. Zhejiang Provincial People’s Hospital, Hangzhou, China