1. Faculty of Agricultural Technology, Department of Food Technology, Soegijapranata Catholic University, Semarang, Indonesia
2. Faculty of Management, Science & Technology, Department of Science, Open University of the Netherlands, Heerlen, The Netherlands
3. Centre for Environmental Sciences, Department of Biology, Hasselt University, Hasselt, Belgium
4. Institute of Water and Wetland Research, Department of Environmental Science, Radboud University, Nijmegen, The Netherlands