Hakeem, Faisal
Bernabé, E.
Fadel, H. T.
Sabbah, W.
Article History
Received: 21 April 2020
Accepted: 11 May 2020
First Online: 21 June 2020
Ethics
: <i>Conflict of interest:</i> The aouthrs declare no conflict of interest.
: <i>Ethical Standards:</i> The study was approved by King’s College London Research Ethics Committee (HR-18/19-8791) and Taibah University, College of Dentistry Research Ethics Committee (TUCDREC/20190129/FHakeem).