1. Department of Oral and Maxillofacial
Surgery, Prince Charles Hospital, South Wales, United Kingdom
2. Maxillofacial and Cleft Units, Morriston
Hospital and Swansea University, Swansea, Wales, United Kingdom
3. Maxillofacial Unit, Morriston Hospital and
Swansea University, Swansea, Wales, United Kingdom
4. Maxillofacial Unit, Morriston Hospital,
ABM University Health Board, Swansea, Wales, United Kingdom