1. Cochrane Oral Health; Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester; Manchester UK
2. School of Medicine; The University of Adelaide; Adelaide Australia
3. Oral and Maxillofacial Surgery; Central Adelaide Local Health Network, SA Health; Adelaide Australia
4. Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health; The University of Manchester; Manchester UK
5. Glasgow Dental School; University of Glasgow; Glasgow UK
6. Unit of Oral Surgery and Medicine; University of Dundee; Dundee UK