Comments on this technology were invited from clinical experts working in the field and relevant patient organisations. The comments received are individual opinions and do not represent NICE's view.
The following clinicians contributed to this briefing:
Mr Janindra Warusavitarne, consultant colorectal surgeon, St Mark's Hospital, London. No conflict of interest declared.
Mr James Francombe, consultant colorectal surgeon, Warwick Hospital. No conflict of interest declared.
Mr Baljit Singh, consultant colorectal surgeon and honorary senior lecturer, University Hospitals Leicester. Received funding for speaking events from Medtronic regarding the Permacol surgical implant for anal fistula.
Mr Terry Irwin, consultant colorectal surgeon, Belfast City Hospital. No conflict of interest declared.
Representatives from the following patient organisations contributed to this briefing:
Crohn's in Childhood Research Association.