1. a Scientist, Pharmacokinetics, Whitby Research , 2801 Reserve Street, Richmond , Virginia , 23261-7426
2. b Virginia Commonwealth University, Medical College of Virginia , Richmond , Virginia , 23298-0533
3. c Alcon Laboratories, Inc. , 6201 South Freeway, Fort Worth , Texas , 76134
4. d Virginia Commonwealth University, Medical College of Virginia , Richmond , Virginia , 23298-0533Associate Professor