1. Institute of Chemistry, University of Tartu, Tartu, Estonia.
2. Institute of Gene Technology, Center of Food and Fermentation Technologies, Tallinn University of Technology, Tallinn, Estonia.
3. National Centre of Biotechnological Investigation, Cochabamba, Bolivia.
4. Georges Lemaître Centre for Earth and Climate Research, Earth and Life Institute, Catholic University of Leuven, Leuven, Belgium.