1. Chemical Biology Program, Memorial Sloan-Kettering Cancer Center, New York, New York 10065, United States
2. Department of Chemical Engineering and the Department of Biomedical Engineering, The City College of the City University of New York, New York, New York 10031, United States
3. Pharmacology Graduate Program, Weill Graduate School of Medical Sciences of Cornell University, New York, New York 10021, United States
4. Molecular Cytology Core, Memorial Sloan-Kettering Cancer Center, New York, New York 10065, United States
5. Department of Neurosciences, University of California, San Diego, California 92093, United States
6. Research Biologist, VA San Diego Healthcare System, La Jolla, California 92161, United States