1. Department of Plastic and Reconstructive Surgery, Keimyung University School of Medicine, Daegu, Korea.
2. Department of Pathology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea.
3. Department of Plastic and Reconstructive Surgery, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea.
4. Department of Plastic and Reconstructive Surgery, Institute of Ischemic and Hypoxic disease, Seoul National University College of Medicine, Seoul, Korea.