1. ETEP (Etiology and Therapy of Periodontal and Peri‐implant Diseases) Research Group University Complutense Madrid Spain
2. Clinic of Reconstructive Dentistry University of Zürich Zürich Switzerland
3. Department of Dentistry, Center for Education and Research on Dental Implants (CEPID) Federal University of Santa Catarina Florianópolis Brazil
4. Department of Oral and Maxillofacial Surgery Pavlov University Saint‐Petersburg Russia