[1] EASTMAN DENT HOSP, JOINT DEPT ORAL & MAXILLOFACIAL SURG, LONDON WC1X 8LD, ENGLAND
[2] UCL HOSP, LONDON WC1X 8LD, ENGLAND
[3] UCL HOSP, LONDON WC1E 6AU, ENGLAND
[4] EASTMAN DENT HOSP, JOINT DEPT ORAL & MAXILLOFACIAL SURG, LONDON WC1E 6AU, ENGLAND
[5] ROYAL ADELAIDE HOSP, MAXILLOFACIAL UNIT, ADELAIDE, SA 5000, AUSTRALIA
[6] KINGS HLTH CARE, DEPT COMMUNITY DENT HLTH, LONDON SE5 9RS, ENGLAND
[7] SEARLE PHARMACEUT, MED & CLIN RES DEPT, HIGH WYCOMBE HP12 4HL, BUCKS, ENGLAND