1. Division of Orthodontics and Dentofacial Orthopedics Eastman Institute for Oral HealthUniversity of Rochester Rochester NY USA
2. Department of Periodontology School of Dental Medicine University of Bern Bern Switzerland
3. Department of Periodontology Laboratory for Periodontal‐, Implant‐, Phototherapy (LA‐PIP) School of Dental Medicine Stony Brook University Stony Brook NY USA