1. Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester; Cochrane Oral Health; Coupland Building 3, Oxford Road Manchester UK M13 9PL
2. Private practice; Via 24 Maggio, 8 Gorizia Italy 34170
3. School of Dentistry, The University of Manchester; Department of Oral and Maxillofacial Surgery; Higher Cambridge Street Manchester UK M15 6FH
4. Institute of Dentistry, Queen Mary University of London; Dean's Office, Floor 5, Turner Street London UK E1 2AD