1. Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973, United States
2. Physics
Department, City College of the CUNY, New York, New York 10031, United States
3. Department
of Biomolecular Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
4. Macromolecular
Chemistry Group, Bergische Universität Wuppertal, Gauss-Str.
20, D-42119 Wuppertal, Germany