1. Department of Surgery (Busan Cancer Center), Pusan National University Hospital, Pusan National University College of Medicine, Busan, South Korea
2. Department of Radiology, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
3. Department of Pathology, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
4. Department of General Surgery, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
5. Department of Otorhinolaryngology-Head and Neck Surgery, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
6. Department of Nuclear Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
7. Department of Anesthesiology and Pain Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
8. Department of Radiation Oncology, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
9. Department of Radiology, Gyeongsang National University School of Medicine and Gyeongsang National University Changwon Hospital, Changwon, South Gyeongsang, South Korea