Persson, Maurits http://orcid.org/0000-0003-0584-4336
Al-Taai, Nameer http://orcid.org/0000-0001-8512-5061
Pihlgren, Karin http://orcid.org/0000-0003-2003-5051
Westerlund, Anna http://orcid.org/0000-0003-2438-8516
Funding for this research was provided by:
Medicinska fakulteten, Umeå Universitet
Göteborgs Tandläkare-Sällskap
Umea University
Article History
Received: 18 August 2021
Accepted: 15 February 2022
First Online: 24 February 2022
Declarations
:
: The present follow-up study was conducted according to the guidelines of the Declaration of Helsinki and was approved by the Regional Ethical Board in Umeå University, Sweden (registration no. 2012–410-31 M).
: Written informed consent was obtained from all participants included in the study.
: The authors declare no competing interests.