1. Expert Group for Peri‐Implant DiseasesSociedad Española de Periodoncia y Osteointegración (SEPA Spanish Society of Periodontology and Osseointegration) Madrid Spain
2. ETEP (Etiology and Therapy of Periodontal Diseases) Research GroupUniversity Complutense Madrid Spain
3. Preventive and Community DentistryUniversity of Granada Granada Spain
4. SEPA Foundation (Fundación SEPA de Periodoncia e Implantes Dentales) Madrid Spain