1. Centre for Health Management and Policy Research, School of Public Health Cheeloo College of Medicine, Shandong University Jinan China
2. National Health Commission (NHC) Key Lab of Health Economics and Policy Research Shandong University Jinan China
3. Department of Implantology, School and Hospital of Stomatology Cheeloo College of Medicine, Shandong University Jinan Shandong China
4. Shandong Key Laboratory of Oral Tissue Regeneration Jinan Shandong China
5. Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration Jinan Shandong China