1. Department of Oral Implantology, University of Wuhan, Wuhan, China
2. Pain Clinic, Nice, France
3. FORM, Frankfurt Oral Regenerative Medicine, Clinic for Maxillofacial and Plastic Surgery, Johann Wolfgang Goethe University, Frankfurt Am Main, Germany
4. Department of Periodontology, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, Florida, USA
5. Cell Therapy Institute, Centre for Collaborative Research, Nova Southeastern University, Fort Lauderdale, Florida, USA