1. School of Chemical Engineering; Purdue University; 480 Stadium Mall Drive West Lafayette Indiana 47907-2100 USA
2. Department of Chemistry and Biotechnology; Swedish University of Agricultural Sciences; Box 7015 SE-75007 Uppsala Sweden
3. Department of Forest Products/Wood Science; Swedish University of Agricultural Sciences; Box 7008 SE-75007 Uppsala Sweden
4. ENSCCF, Institute de Chimie de Clermont-Ferrand; Clermont Université; BP 10448 F-63000 Clermont-Ferrand France
5. CNRS, UMR 6296, ICCF; F-63171 Aubiere France