1. Center of Oral Implantology Stomatological Hospital School of Stomatology Southern Medical University Guangzhou China
2. Department of Periodontology Stomatological Hospital School of Stomatology Southern Medical University Guangzhou China
3. Department of Periodontology Center for Dentistry and Oral Hygiene University Medical Center Groningen University of Groningen Groningen The Netherlands
4. Division of Nephrology Nanfang Hospital Southern Medical University National Clinical Research Center of Kidney Disease Guangzhou China
5. Department of Epidemiology and Public Health University College London London UK
6. Department of Oral Medicine Stomatological Hospital School of Stomatology Southern Medical University Guangzhou China
7. Research Group Healthy Ageing Allied Health Care and Nursing Hanze University of Applied Sciences Groningen The Netherlands
8. Department of Oral and Maxillofacial Surgery University of Groningen University Medical Center Groningen Groningen The Netherlands
9. Research Unit Experimental Anatomy Faculty of Physical Education and Human Anatomy Vrije Universiteit Brussel Brussels Belgium