The Coloproctology Unit, St. Vincent’s Hospital, 4, Dublin
F. J. Shannon, T. J. Boyle, D. C. Grant, O. J. Clyne & J. M. P. Hyland
Department of Surgery and GI Function Unit, St. James Hospital, Dublin
E. D. Mulligan, T. Purcell, P. Lawlor, J. V. Reynolds, P. J. Byrne & T. P. J. Hennessy
Department of Surgery, University College Dublin, St. Vincent’s Hospital, Elm Park, Dublin 4
M. Duff, A. D. K. Hill, S. G. Shering, E. W. McDermott & N. J. O’Higgins
Department of Orthopaedics, Waterford Regional Hospital, Ireland
M. Harte & J. Corrigan
Children’s Research Centre, Our Lady’s’s Hospital for Sick Children, Crumlin Dublin
S. Khurana, F. Manning, B. Kierce & M. Corbally
Departments of Surgery and Pathology, Beaumont Hospital, 9, Beaumont, Dublin, Ireland
D. A. McNamara, E. Dimitriadis, E. Kay, H. P. Redmond, J. Harmey & D. J. Bouchier-Hayes
Royal College of Surgeons in Ireland, Department of Surgery, Beaumont Hospital, Dublin 9
G. Chen, C. Kelly, H. Chen, A. Leahy & J. Bouchier-Hayes
Departments of Surgery, Physiology & Medicine, Mercy Hospital and University College Cork, Ireland
D. C. Winter, K. Nally, J. O’Callaghan, B. J. Harvey, F. Shanahan & G. C. O’Sullivan
Royal College of Surgeons in Ireland, Department of Surgery, Beaumont Hospital, Dublin 9
H. Wang, Q. D. Wu, H. P. Redmond, C. Condron & D. Bouchier-Hayes