The following clinicians contributed to this briefing:
Professor Michael Clark, commercial director, Welsh Wound Innovation Centre. Professor Clark is a consultant to multiple wound care companies. Between 2011 and 2014, they co‑chaired an advisory board for Mölnlycke Health Care on use of dressings in pressure ulcer prevention.
Elaine Thorpe, Matron, University College London Hospitals. No relevant conflicts of interest.