1. St. Jude Children's Research Hospital, Memphis, TN 38105, USA
2. Department of Biochemistry and Molecular Genetics, College of Graduate Studies, Midwestern University, Glendale, AZ 85308, USA
3. Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ 85308, USA
4. Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Pozuelo de Alarcón, Madrid 28223, Spain
5. QB3 Institute, University of California, Berkeley, CA 94720, USA
6. Division of Physical Biosciences of Lawrence Berkeley National Laboratory, University of California, Berkeley, CA 94720, USA
7. Department of Chemistry, University of California, Berkeley, CA 94720, USA