1. Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania
19104-6323, United States
2. Pennsylvania Muscle Institute,
Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6083, United States
3. Anima Cell Metrology, Inc., 75 Claremont Road, Suite 102, Bernardsville, New
Jersey 07924-2270, United States
4. New England Biolabs Inc., 240 County Road, Ipswich, Massachusetts 01938,
United States