Günther, Tamara
Schierz, Oliver
Hahnel, Sebastian
Rauch, Angelika http://orcid.org/0000-0002-3881-0549
Article History
Received: 10 April 2020
Accepted: 7 September 2020
First Online: 1 October 2020
Ethics approval and consent to participate
: The study was approved by the local ethics committee of the Medical Faculty of the University of Leipzig (134–11-18042011) and met the requirements of the Declaration of Helsinki. The participants gave their signed, informed consent.
: All the authors have approved the manuscript and agree with its submission.
: SH is a member of the editorial board of BMC Oral Health.