1. Department of Nuclear Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.
2. Department of Radiation Oncology, Jeju National University Hospital, Jeju National University College of Medicine, Jeju, Korea.
3. Department of General Surgery, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.
4. Department of Radiation Oncology, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.