1. U.S. Army Edgewood Chemical Biological Center, 8198 Blackhawk Road, Aberdeen Proving Ground, Maryland 21010, United States
2. Defense Threat Reduction Agency, 8228 Scully Road, Aberdeen Proving Ground, Maryland 21010, United States
3. Department of Neuroscience, U.S. Army Medical Research Institute of Chemical Defense, 2900 Ricketts Point Road, Aberdeen Proving Ground, Maryland 21010, United States