Funding for this research was provided by:
Fonds Ernest Charron, Faculte de m?decine dentaire, Universite de Montreal
Text and Data Mining valid from 2019-01-28
Received: 29 July 2018
Accepted: 11 January 2019
First Online: 28 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.