Sharifian, Mohammad Jalil
Pohjola, Vesa
Kunttu, Kristina http://orcid.org/0000-0001-6221-044X
Virtanen, Jorma I. http://orcid.org/0000-0001-6574-9942
Article History
Received: 19 March 2020
Accepted: 18 February 2021
First Online: 4 March 2021
Ethics approval and consent to participate
: The study was approved by the Ethics committee of the University of Turku (nr. 35/2015). Study permission was from the authorities of FSHS. The study was performed in accordance with the Declaration of Helsinki. Participation in the survey was voluntary and anonymous. Participating students gave their informed consent by voluntarily responding to the questionnaire.
: Not applicable.
: The authors declare that they have no other competing interests. JIV is Associate Editor in BMC Oral Health.