1. Department of Periodontology & Prosthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Shandong University, 250012 Jinan, Shandong, China
2. Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, China
3. Eastman Institute for Oral Health, School of Medicine and Dentistry, University of Rochester Medical Center, Rochester, 14642 New York, United States
4. School of Chemistry and Chemical Engineering, Shandong University, 250012 Jinan, Shandong, China