1. Department of Experimental and Clinical Medicine, Research Unit in Periodontology and Periodontal Medicine University of Florence Florence Italy
2. Accademia Toscana di Ricerca Odontostomatologica (ATRO) Florence Italy
3. Private Practice Florence Italy
4. Shanghai PerioImplant Innovation Center, Department of Oral and Maxillofacial Implantology, Shanghai Ninth People Hospital, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center of Oral Diseases, National Center of Stomatology, College of Stomatology Shanghai Jiao Tong University Shanghai China
5. European Research Group on Periodontology (ERGOPerio) Genoa Italy