1. Department of Theoretical Chemistry, Faculty of Science, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
2. Department of Chemistry, Faculty of Sciences, Universiteit Gent, Krijgslaan 281, 9000 Gent, Belgium
3. Materials and Device Engineering Group, Department of Information Technology and Electrical Engineering, ETH Zurich, GH 8092 Zurich, Switzerland
4. Netherlands eScience Center, Science Park 140 (Matrix I), 1098 XG Amsterdam, The Netherlands
5. The MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Chemical and Physical Sciences, Victoria University of Wellington, 6012 Wellington, New Zealand
6. Department of Nanochemistry, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy