1. Institute of Biomedical Sciences, Universidade Federal de Alfenas, Alfenas, Minas Gerais, Brazil
2. Laboratory of Tropical Medicine and Parasitology, Dokkyo Medical University, Mibu, Tochigi, Japan
3. Graduate School of Health Sciences, Niigata University, Niigata, Niigata, Japan
4. The Open University Sri Lanka, Nawala, Nugegoda, Sri Lanka