1. Department of Process Engineering, Stellenbosch University, Matieland, South Africa
2. Biomass Conversion Research Laboratory, Department of Chemical Engineering and Materials Science, Michigan State University, Lansing, MI, USA
3. Great Lakes Bioenergy Research Center (GLBRC), Michigan State University, East Lansing, MI, USA
4. Michigan Biotechnology Institute, Lansing, MI, USA
5. Department of Engineering Technology, Biotechnology Program, School of Technology, University of Houston, Houston, TX, USA