1. Meinig School of Biomedical Engineering, Cornell UniversityIthacaNY14853USA
2. Department of Integrative Structural and Computational BiologyThe Scripps Research Institute10550 N. Torrey Pines Rd.La JollaCA92037USA
3. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado – Anschutz Medical CampusMail Stop C238 12850 E. Montview Blvd., Rm V20‐4118AuroraColorado80045‐2605USA
4. Department of MicrobiologyUniversity of Alabama at BirminghamBirminghamAL35294USA
5. Meinig School of Biomedical Engineering, School of Electrical and Computer Engineering, Cornell UniversityIthacaNY14853USA