1. Deconstruction Division, Joint Bioenergy Institute, 5885 Hollis Street, Emeryville, CA 94608, USA
2. Department of Bioresource and Environmental Security, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551, USA
3. Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA