Institution: | (1) Institut für Entwicklungsbiologie, Universität zu Köln, Gyrhofstr. 17, 50923 Cologne, Germany;(2) Present address: Roche Diagnostics GmbH, Nonnenwald 2, 82377 Penzberg, Germany;(3) Present address: University of Georgia Athens, 420 Biological Sciences Building, 30602-2603 Athens, GA, USA |