Affiliation: | 1. Institut I für Anatomie der Universität zu Köln, Joseph-Stelzmann-Strasse 9, D-50931 Cologne, Germany;2. Klinik für Hals-, Nasen- und Ohrenheilkunde der Universität zu Köln, D-50931 Cologne, Germany;1. SAIC Frederick, National Cancer Institute-Frederick Cancer Research and Development Center, PO Box B, Frederick, MD 21702-1201, USA;2. The Laboratory of Molecular Immunoregutation, National Cancer Institute-Frederick Cancer Research and Development Center, PO Box B, Frederick, MD 21702-1201;1. Department of Anatomy and Physiology, Meharry Medical College, Nashville, TN, USA;2. Department of Biological Sciences, Illinois State University, Normal, IL, USA |