1. Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health; The University of Manchester; Manchester UK
2. Cochrane Oral Health; Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester; Manchester UK
3. Department of Oral Diagnostics, Digital Health and Health Research Services; Charité - Universitätsmedizin Berlin; Berlin Germany
4. Division of Oral Health Sciences; School of Dentistry, University of Dundee; Dundee UK
5. School of Dentistry; University of Dundee; Dundee UK
6. Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester; Manchester UK