| Affiliation: | Department of Cell and Molecular Biology, Karolinska Institute, Doktorsringen 2D, S-171 77 Stockholm, Sweden; EISAI London Research Laboratories Limited, Bernard Katz Building, University College London, London WCI 6BT, UK; Department of Microbiology, UmeåUniversity, S-901 87 Umeå, Sweden; Johann Wolfgang Goethe Universität, Institut der Anthropologie und Humangenetik für Biologen, Siesmayerstrasse 70, D-60232 Frankfurt am Main, Germany; Department of Animal Physiology, Uppsala University, Biomedical Center, Box 596, S-751 24 Uppsala, Sweden |
