1. Research Institute of Textile Chemistry and Textile Physics (Member of EPNOE − European Polysaccharide Network of Excellence, www.epnoe.eu),Leopold Franzens-University of Innsbruck, Hoechsterstraße 73, A-6850 Dornbirn, Austria
2. Geobrugg AG, Aachstrasse 11, CH-8590 Romanshorn, Switzerland