1. Institute of Molecular Biophysics, Florida State University; Tallahassee Florida 32306
2. Sealy Center for Structural Biology and Molecular Biophysics; Department of Biochemistry and Molecular Biology; University of Texas Medical Branch; 301 University Blvd. Galveston Texas 77555-0304
3. Department of Chemistry and Biochemistry; Duquesne University; Pittsburgh Pennsylvania 15282
4. Continuum Dynamics, Inc.; Ewing New Jersey 08618