Alabi, Rasheed Omobolaji
Elmusrati, Mohammed
Sawazaki-Calone, Iris
Kowalski, Luiz Paulo
Haglund, Caj
Coletta, Ricardo D.
Mäkitie, Antti A.
Salo, Tuula
Leivo, Ilmo
Almangush, Alhadi
Funding for this research was provided by:
Suomen Hammaslääkäriliitto (1)
Rauha Ahokkaan Säätiö (2)
Turun Yliopistollinen Keskussairaala (3)
Helsinki University Hospital Research Fund (4)
Finnish Cancer Society (5)
Finska Läkaresällskapet (6)
Maritza and Reino Salonen Foundation (7)
UOPECCAN Center of Study and Research (8)
Article History
Received: 2 April 2019
Revised: 26 July 2019
Accepted: 31 July 2019
First Online: 17 August 2019
Compliance with ethical standards
: The institutional review boards of the Helsinki, Turku, Tampere, Oulu and Kuopio University Hospitals approved the study. The Brazilian Human Research Ethics Committee and the Finnish National Supervisory Authority for Welfare and Health (VALVIRA) also approved this study.
: The authors declare that they have no conflict of interest.