1. Department of Rehabilitation Medicine, Kyungpook National University College of Medicine, Daegu, Korea.
2. Department of Rehabilitation Medicine, Kyungpook National University Hospital, Daegu, Korea.
3. Department of Nuclear Medicine, Kyungpook National University Medical Center, Daegu, Korea.
4. Department of Surgery, Breast Cancer Center, Kyungpook National University Medical Center, Daegu, Korea.