1. Global Analytical Chemistry, Merck Research Laboratories, Rahway, New Jersey 07065, United States
2. Global Safety Assessment, Merck Research Laboratories, Summit, New Jersey 07901, United States
3. Global Safety Assessment, Merck Research Laboratories, West Point, Pennsylvania 19486, United States
4. Pharmaceutical Sciences and Clinical Supplies, Merck Research Laboratories, West Point, Pennsylvania 19486, United States
5. Global Process Chemistry, Merck Sharp and Dohme Ltd., Hoddesdon, Hertfordshire, EN11 9BU, U.K.