1. Veterans Affairs New York Harbor Healthcare System, New York, New York, USA
2. Departments of Pathology and Biochemistry, New York University School of Medicine, New York, New York, USA
3. Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
4. Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
5. The Rockefeller University, New York, New York, USA
6. Molsoft, L.L.C., San Diego, California, USA