1. Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan.
2. Ohta Nishinouchi Hospital, Koriyama, Japan.
3. St. Mary's Hospital, Kurume, Japan.
4. Aichi Medical University Hospital, Aichi, Japan.
5. Toyama Medical and Pharmaceutical University, Toyama, Japan.
6. Saiseikai Fukuoka General Hospital, Fukuoka, Japan.
7. Showa General Hospital, Kodaira, Japan.
8. Saiseikai Yamagata Saisei Hospital, Yamagata, Japan.
9. Tottori Prefectural Central Hospital, Tottori, Japan.
10. Nishi-Kobe Medical Center, Kobe, Japan.
11. Hyogo Prefectural Amagasaki Hospital, Amagasaki, Japan.
12. Manda Memorial Hospital, Sapporo, Japan.