1. National Institute of Standards and Technology, Gaithersburg, Maryland
20899, United States
2. ISIS
Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon,
OX11 OQX, United Kingdom
3. European Synchrotron Radiation Facility, Grenoble, France
4. Pfizer Incorporated, Groton, Connecticut 06340, United States
5. Department of Pharmaceutics, University of Minnesota, Minnesota 55455, United States