About the Authors
School of Engineering, University of Borås, Borås, Sweden
Industrial Biotechnology, Chalmers University of Technology, Göteborg, Sweden
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JOW MJT CJF. Performed the experiments: JOW. Analyzed the data: JOW CJF. Contributed reagents/materials/analysis tools: MJT CJF. Wrote the paper: JOW CJF.