1. Medicinal Chemistry, Biotherapeutic and Medicinal Science, Biogen, 225 Binney Street, Cambridge, Massachusetts 02142, United States
2. Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
3. Center for Systems Imaging, Emory University, 1841 Clifton Road NE, Atlanta, Georgia 30322, United States