1. Department of Plastic and Reconstructive Surgery, Hallym University Medical Center, Halllym University College of Medicine, Seoul, Korea.
2. Department of Plastic and Reconstructive Surgery, Eulji General Hospital, Eulji University School of Medicine, Seoul, Korea.
3. Department of Rheumatology, Yonsei University College of Medicine, Seoul, Korea.
4. Department of Plastic and Reconstructive Surgery, Myong-Ji Hospital, Goyang, Korea.