1. The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
2. Faculty of Veterinary Medicine, Zagazig University, Egypt
3. FORM, Frankfurt Oral Regenerative Medicine, Clinic for Maxillofacial and Plastic Surgery, Johann Wolfgang Goethe University, Frankfurt Am Main, Germany
4. College of Dental Medicine, University of Nice, Nice, France
5. Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland