1. Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, People’s Republic of China
2. Department of Oral Pathology, School and Hospital of Stomatology, Jilin University, Changchun, People’s Republic of China
3. Department of Microbiology/Key Laboratory for Experimental Teratology of the Chinese Ministry of Education, School of Basic Medical Science, Shandong University, Jinan, Shandong, People’s Republic of China
4. Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi, Japan
5. Department of Pediatrics, The First Hospital of Lanzhou University, Lanzhou, Gansu, People’s Republic of China
6. Department of Stomatology, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, People’s Republic of China
7. Department of Physiology & Pathophysiology, School of Basic Medical Science, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, People’s Republic of China