1Department of Microbiology, Faculty of Science, Kasetsart University, Thailand.
2Department of Plant Resources, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Japan.
3Natural Products Unit, Novartis Institutes for BioMedical Research Basel, Novartis Pharma AG, Basel, Switzerland.
4Center for Advanced Studies in Tropical Natural Resources,KU Institute for Advanced Studies,Kasetsart University,Thailand.
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