1. Department of Chemistry, Washington University in St Louis, St Louis, Missouri 63105, United States
2. Pharmaceutical Sciences Small Molecules, Analytical Research and Development, Pfizer, Inc., Sandwich CT13 9FF, U.K.
3. Biotherapeutics Pharmaceutical Sciences, Analytical Research and Development, Pfizer, Inc., Andover, Massachusetts 01810, United States
4. Global Product Development, Rare Disease Statistics, Pfizer, Inc., New York, New York 10017, United States