1. Chemical Biology Platform and
Probe Development Center, Broad Institute of Harvard and MIT, 7 Cambridge Center, Cambridge, Massachusetts
02142, United States
2. Division
of Hemostasis and Thrombosis,
Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215,
United States
3. Howard Hughes
Medical Institute, Broad Institute of Harvard and MIT, 7 Cambridge Center,
Cambridge, Massachusetts 02142, United States