^○Naoki Sakakibara¹, Rie Yagi², Tomohiro Imai³, Kan Kajimoto², Atsushi Amano² (1.Department of Cardiovascular Surgery, Edogawa Hospital, Tokyo, Japan, 2.Department of Cardiovascular Surgery, Juntendo University School of Medicine, Tokyo, Japan, 3.Tokyo Vascular & Vein Clinic)

^○Naoki Sakakibara¹, Rie Yagi², Tomohiro Imai³, Kan Kajimoto², Atsushi Amano² (1.Department of Cardiovascular Surgery, Edogawa Hospital, Tokyo, Japan, 2.Department of Cardiovascular Surgery, Juntendo University School of Medicine, Tokyo, Japan, 3.Tokyo Vascular & Vein Clinic, Tokyo, Japan)

^○Satoshi Takahashi¹, Takahiro Otani², Makoto Koga², Masazumi Matsuda², Motoko Sasajima², Tomoyuki Asano², Noriko Takagi², Yuki Wada², Manabu Hashimoto², Masashiro Sugawara³ (1.平鹿総合病院　放射線科, 2.The Department of Radiology, Akita University School of Medicine, Akita, Japan, 3.The Department of Neurology, Akita University School of Medicine, Akita, Japan)

^○Zafer Unsal Coskun (Radiologist at Health Sciences University Sultan Abdulhamit Education and Research Hospital)