Harrington Department of Bioengineering, Arizona State University, Tempe, Arizona 85287, NIST Center for Theoretical and Computational Nanosciences, Gaithersburg, Maryland 20899, Research Center, Philip Morris USA, 4201 Commerce Road, Richmond, Virginia 23234, Department of Physics, University of North Texas, Denton, Texas 76203, INEST Group Postgraduate Program, Philip Morris USA, Richmond, Virginia 23234, and Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287(2006-10-19時点)