1. Department of Marketing, Patuakhali Science and Technology University in Bangladesh and at University of Copenhagen in Denmark, Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh
2. Department of Food and Resource Economics, Faculty of Science, University of Copenhagen, Frederiksberg C, Denmark
3. Department of Economics and Sociology, Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh
4. Division of Food Security and Rural Development, University of Göttingen, Göttingen, Germeny