1. Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
2. NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
3. PharmBIO Products, W. L. Gore & Associates, Elkton, Maryland 21921, United States
4. Drug Product Technologies, Amgen, Thousand Oaks, California 91320, United States