1. LEDSS UMR 5616 and ICMG-FR2607, Université Joseph Fourier, BP 53, 38041 Grenoble Cedex 9, France, Unité de Biologie des Régulations Immunitaires, INSERM E352, Institut Pasteur, 75724 Paris Cedex 15, France, and Department of Organic Technology, Kaunas University of Technology, Radvilenu plentas 19, LT 50254, Kaunas, Lithuania