1. United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
2. College of Environment and Natural Resources, Can Tho University, 3/2 Street, Can Tho City 900000, Vietnam
3. College of Agriculture, Ibaraki University, 3-21-1 Chuou, Ami-machi 300-0393, Ibaraki, Japan
4. Department of Microbial Technology, Institute of Food and Biotechnology, Can Tho University, 3/2 Street, Can Tho City 900000, Vietnam