1. Department of Anesthesiology and Pain Medicine, Chungnam National University School of Medicine, Daejeon, Korea.
2. Department of Anatomy, Chungnam National University School of Medicine, Daejeon, Korea.
3. Department of Dermatology, Chungnam National University School of Medicine, Daejeon, Korea.
4. Department of Physiology, Chungnam National University School of Medicine, Daejeon, Korea.
5. Seoul Neurology Clinic, Nonsan, Korea.
6. Department of Plastic Surgery, Konyang University Hospital, Daejeon, Korea.