Yalda, F. Andraws
Holroyd, J.
Islam, M.
Theodorakou, C.
Horner, K.
Article History
Accepted: 6 August 2018
First Online: 18 January 2019
Competing interests
: <i>Dental X-ray Protection Services (Public Health England) received funding from the University of Manchester to cover administration costs associated with their participation in the study. The authors declare no conflicts of interest</i>.