1. Dental Laboratory, Peking University School and Hospital of Stomatology, Beijing, People’s Republic of China
2. Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing, People’s Republic of China
3. Department of Dental Materials, NMPA Technologies Research and Development Program Laboratory for Dental Materials & Dental Medical Devices Testing Center, Peking University School and Hospital of Stomatology, Beijing, People’s Republic of China
4. Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, Stockholm, Sweden