1. The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei‐MOST) & Key Laboratory of Oral Biomedicine Ministry of EducationSchool & Hospital of Stomatology, Wuhan University Wuhan China
2. Department of PeriodontologySchool of Dental Medicine, University of Bern Bern Switzerland
3. Department of Dental ImplantologySchool and Hospital of Stomatology, Wuhan University Wuhan China