1. Tissue Engineering and Wound Healing Laboratory, Division of Plastic Surgery, Department of Surgery Brigham and Women's Hospital—Harvard Medical School, Boston, Massachusetts.
2. Human Immunology Center, Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital—Harvard Medical School, Boston, Massachusetts.
3. Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden.
4. Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden.
5. Section of Immunology, Department of Biomedical Sciences & Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden.