1. W Institute for Hand & Reconstructive Microsurgery, W General Hospital, Daegu, Korea.
2. Department of Physical Medicine and Rehabilitation, Yeungnam University College of Medicine, Daegu, Korea.
3. Division of Nephrology, Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Korea.
4. Department of Pathology, Yeungnam University College of Medicine, Daegu, Korea.