Authors: Doron Shmerling, Ivan Hegyi, Marek Fischer, Thomas Blättler, Sebastian Brandner, Jürgen Götz, Thomas Rülicke, Eckhard Flechsig, Antonio Cozzio, Christian von Mering, Christoph Hangartner, Adriano Aguzzi, Charles Weissmann - Cell 1998 cited by 528