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