[1] Univ Ghent, Fac Med & Hlth Sci, Dept Publ Hlth, B-9000 Ghent, Belgium
[2] Cardiff Univ, Wound Healing Res Unit, Cardiff, S Glam, Wales
[3] Univ Hosp Birmingham NHS Fdn Trust, Res Dev Team, Birmingham, W Midlands, England
[4] Univ Hosp, Div Surg, Uppsala, Sweden
[5] Uppsala Univ, Dept Publ Hlth & Caring Sci, Uppsala, Sweden