(Somewhat alphabetical order - the rest of the links will appear some time.)

bullet Birge group in the Department of Physics and Astronomy, Michigan State University, USA
bullet Condensed-Matter Theory Group, Lancaster University, UK
bullet Department of Physics and Astronomy, University of Stony Brook, SUNY, Stony Brook, USA
bullet Institut für Theoretische Festkörperphysik, University of Karlsruhe, Germany
bullet Lehrstuhl von Delft, Ludwig-Maximilian University of Munich, Germany
bullet Materials Physics Laboratory, Helsinki University of Technology, Finland
bullet NEST-INFM & Scuola Normale Superiore, Pisa, Italy
bullet Physics of Nanodevices, University of Groningen, the Netherlands