1. Analytical Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
2. Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
3. Biologics Process Research and Development, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
4. Pharmaceutical Sciences and Clinical Supply, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States