1. Division of Vascular Medicine, Department of Aortic Surgery, Kawasaki Aortic Center, Kawasaki Saiwai Hospital, Kawasaki, Kanagawa, Japan
2. Department of Aortic Surgery, Kawasaki Aortic Center, Kawasaki Saiwai Hospital, Kawasaki, Kanagawa, Japan
3. Division of Community Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi, Japan
4. Department of Hygiene and Public Health, Nippon Medical School, Tokyo, Japan
5. Center for Clinical Research, Nippon Medical School Hospital, Tokyo, Japan