1. Department of Radiology, Okinawa Prefectural Nanbu Medical Center & Children’s Medical Center, 118-1 Arakawa, Haebarucho, Okinawa, Japan
2. Department of Radiology, Graduate School of Medical Science, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, Japan
3. Division of Endocrinology, Diabetes and Metabolism, Hematology, Rheumatology (Second Department of Internal Medicine), Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, Japan
4. Department of Radiation Oncology, Okinawa Chubu Hospital, 281 Miyazato, Uruma, Okinawa, Japan
5. Department of Radiology, Naha City Hospital, 2-31-1 Furujima, Naha, Okinawa, Japan
6. Department of Dermatology, Graduate School of Medical Science, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, Japan