1. Jülich Centre for Neutron Science (JCNS) and Institute for Complex Systems (ICS), Forschungszentrum Jülich GmbH, Jülich, Germany
2. Instituto de Ciencia y Tecnología de Polímeros, CSIC. Juan de la Cierva 3, Madrid 28006, Spain
3. Institut für Chemie neuer Materialen, Universität Osnabrück, Barbarastraße 7, D-46069 Osnabrück, Germany
4. Chemical and Engineering Materials Division, Oak Ridge National Laboratory (ORNL), P.O. Box 2008, Oak Ridge, Tennessee 37831, USA