1. Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea.
2. Department of Dermatology, Hallym University, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea.
3. Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
4. Department of Anesthesiology and Pain Medicine, Kyungpook National University School of Medicine, Daegu, Korea.