1. Molecular Parasitology Unit, Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
2. Department of Microbiology, B. P. Koirala Institute of Health Sciences, Dharan, Nepal
3. Epidemiology and Disease Control Unit, Department of Public Health, Institute of Tropical Medicine, Antwerp, Belgium
4. Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
5. Department of Internal Medicine, B. P. Koirala Institute of Health Sciences, Dharan, Nepal