1. Departments of Clinical Studies and Animal Biology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, Pennsylvania.
2. Plastic and Reconstructive Surgery Research, Manchester Institute of Biotechnology, University of Manchester, Manchester, United Kingdom.
3. Department of Plastic and Reconstructive Surgery, Wythenshawe Hospital, University Hospital South Manchester NHS Foundation Trust, University of Manchester, Manchester, United Kingdom.
4. Institute of Inflammation and Repair, Manchester Academic Health Science Center, Wythenshawe Hospital, University Hospital South Manchester NHS Foundation Trust, University of Manchester, Manchester, United Kingdom.