1. Research API, Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, U.S.A., Materials Science, Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, U.S.A., and Research Analytical, Pfizer Global Research & Development, 700 Chesterfield Parkway West, Chesterfield, Missouri 63017, U.S.A.