1. Biophysics Division, Department of PhysicsIPB UniversityBogorIndonesia
2. Research Unit for Clean TechnologyIndonesian Institute of SciencesBandungIndonesia
3. Biobased Chemistry and TechnologyWageningen UniversityWageningenThe Netherlands
4. Department of Chemical EngineeringENTEG, Rijksuniversiteit GroningenGroningenThe Netherlands