1. Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
2. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania
19104-6396, United States
3. Department of Bioengineering and
Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United
States
4. Department of Chemical
and Biomolecular
Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
5. Department of Materials Science & Engineering, University of Delaware, Newark, Delaware 19716, United States
6. Department of Chemistry, Université du Québec à Montréal, P.O. Box
8888, Succ. Centre-Ville, Montréal, Québec,
Canada, H3C 3P8,
7. Institute
of Physiological Chemistry,
Faculty of Veterinary Medicine, Ludwig-Maximilians-University, Veterinärstrasse 13, 80539 Munich, Germany