1. Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, SE-60174 Norrköping, Sweden
2. Laboratoire de Chimie des Polymères Organiques (LCPO−UMR 5629), Université de Bordeaux, Bordeaux INP, CNRS, F-33607 Pessac, France
3. Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-90183 Umeå, Sweden
4. POLYMAT, University of the Basque Country UPV/EHU, 20018 San Sebastián, Spain
5. Umeå Plant Science Centre, Department of Plant Physiology, Umeå University, SE 901-87 Umeå, Sweden
6. Institute of Electronic Structure and Laser, Foundation for Research and Technology─Hellas, P.O. Box 1527, 71110 Heraklion Crete, Greece