1. National Center for Global Health and Medicine, Tokyo, Japan.
2. Teijin Pharma Limited, Tokyo, Japan.
3. Kissei Pharmaceutical Co., Ltd., Tokyo, Japan.
4. Pfizer R&D Japan G.K., Tokyo, Japan.
5. Otsuka Pharmaceutical Co., Ltd., Tokyo, Japan.
6. Novartis Pharma K.K., Tokyo, Japan.
7. Sumitomo Pharma Co., Ltd., Tokyo, Japan.
8. Nippon Shinyaku Co., Ltd., Kyoto, Japan.