1. Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
2. Kyushu University Graduate School of Medical Science, Fukuoka, Japan
3. Kyushu University, Fukuoka, Japan
4. Kurume University, School of Medicine, Kurume, Japan
5. Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
6. National Hospital Organization Kyushu Medical Center, FUKUOKA, Japan
7. BWH, Boston, United States
8. Brigham and Women's Hospital, Boston, Massachusetts, United States
9. Kurume Uuiversity, Kurume, Japan
10. Kyushu University Hospital, Japan