1. Department of Oral Implantology, Yantai Stomatological Hospital, Yantai, China.
2. Department of Oral Implantology and Prosthetic Dentistry, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam, the Netherlands.
3. Department of Second Dental Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China.
4. Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai, China.
5. Key Laboratory of Stomatology, School of Stomatology, Zhejiang Chinese Medical University, Hangzhou, China.