1. Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, United States
2. New York Structural Biology Center, 89 Convent Avenue, New York, New York 10027, United States
3. PhD Programs in Biochemistry and Chemistry, The Graduate Center, City University of New York, New York, New York 10016, United States
4. PhD Program in Physics, The Graduate Center, City University of New York, New York, New York 10016, United States