1. Department
of Chemistry and Biochemistry, University of Missouri—St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
2. Analytical R&D, Biotherapeutics Pharmaceutical Sciences, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017, United States
3. Bioprocess R&D, Biotherapeutics Pharmaceutical Sciences, Pfizer, Inc., 700 Chesterfield Parkway West, Chesterfield, Missouri 63017, United States