1. Laboratory of Glycobiology, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Avenida da República, 2780-157 Oeiras Portugal
2. GlycoThera GmbH, Feodor-Lynen Strasse 35, D-30625 Hannover, Germany
3. Helmholtz-Zentrum für Infektionsforschung, D-38124 Braunschweig, Germany
4. Institute of Neuropathology, University Medical Center Hamburg-Eppendorf (UKE), Martinistrasse 52, D-20246 Hamburg, Germany