About the Authors

Carolina Ganss

Roles Conceptualization, Formal analysis, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

Carolina.ganss@dentist.med.uni-giessen.de

Affiliation Department of Conservative and Preventive Dentistry, Dental Clinic of the Justus-Liebig-University Giessen, Giessen, Germany

Patrick Klein

Roles Formal analysis, Investigation, Validation, Writing – review & editing

Affiliation Department of Conservative and Preventive Dentistry, Dental Clinic of the Justus-Liebig-University Giessen, Giessen, Germany

Katja Giese-Kraft

Roles Supervision, Writing – review & editing

Affiliation Department of Conservative and Preventive Dentistry, Dental Clinic of the Justus-Liebig-University Giessen, Giessen, Germany

Michael Meyners

Roles Conceptualization, Formal analysis, Methodology, Software, Validation, Visualization, Writing – original draft

Affiliation Procter & Gamble Service GmbH, Kronberg, Germany

Competing Interests

CG, KG and PK received funding from Procter & Gamble. MM is employee of Procter & Gamble Service GmbH. This does not alter our adherence to PLOS ONE policies on sharing data and materials.