1. The Novo Nordisk Foundation for BiosustainabilityTechnical University of Denmark Building 220 2800 Kongens Lyngby Denmark
2. Institute of Applied MicrobiologyRWTH Aachen University Worringer Weg 1 52074 Aachen Germany
3. Department of Chemical and Biomolecular EngineeringUniversity of California Berkeley CA 94720 USA
4. Department of BioengineeringUniversity of California Berkeley CA 94720 USA
5. Joint BioEnergy Institute Emeryville CA 94608 USA
6. Biological Systems & Engineering DivisionLawrence Berkeley National Laboratory Berkeley CA 94720 USA