1. Institute of Stomatological Research, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University
2. Research Center for Stomatology, Peking University Shenzhen Hospital
3. Department of Prosthodontics, Guanghua School of Stomatology, Sun Yat-Sen University; Guangdong Engineering Research Center of Technology and Materials for Oral Reconstruction, Guangdong Provincial Key Laboratory of Stomatology
4. Prosthodontics, Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital