1. Plastic & Reconstructive Surgery Research, Centre for Dermatology Research, Wound Healing Theme, NIHR Manchester Biomedical Research Centre, University of Manchester, Manchester, England, United Kingdom.
2. Department of Pathology, Ohio State University, Columbus, Ohio, USA.
3. Medical Research Council (MRC) Wound Healing Unit, Hair and Skin Research Laboratory, Division of Dermatology, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa.