1. Biosyntia ApS 2100 Copenhagen Denmark
2. Tianjin Institute of Industrial BiotechnologyChinese Academy of Sciences 32 West 7th Avenue, Tianjin Airport Economic Area Tianjin 300308 China
3. Department of ChemistryPhilipps University 35032 Marburg Germany
4. Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim Germany