1. Merck Research Laboratories, Kenilworth, New Jersey 07033, United States
2. Merck Research Laboratories, West Point, Pennsylvania 19486, United States
3. WuXi AppTec, Shanghai, People’s Republic of China
4. Kyorin Pharmaceutical Co., Ltd., 2399-1, Nogi,
Nogi-machi, Shimotsuga-gun, Tochigi 329-0114, Japan