1. Department of Pathology, The University of Texas Medical Branch at Galveston, Galveston, TX 77555, USA
2. Discovery Chemistry, Genentech, Inc., South San Francisco, CA 94080, USA
3. Atomwise Inc., San Francisco, CA 94103, USA
4. Sealy Institute for Vaccine Sciences, The University of Texas Medical Branch at Galveston, Galveston, TX 77555, USA
5. Institute for Human Infections and Immunity, The University of Texas Medical Branch at Galveston, Galveston, TX 77555, USA