1. Department of Microbiology and Cell Biology Montana State University Bozeman Montana USA
2. Centre de Biochimie Structurale CNRS UMR 5048 Montpellier France
3. Department of Biochemistry and Molecular Biology, Robert Wood Johnson Medical School Rutgers The State University of New Jersey Piscataway New Jersey USA
4. The Bronx High School of Science New York New York USA
5. Department of Chemistry and Chemical Biology, and Center for Biotechnology and Interdisciplinary Studies Rensselaer Polytechnic Institute Troy New York USA
6. Department of Biological Sciences Rensselaer Polytechnic Institute Troy New York USA