1. Department of Parasitology, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia;
2. Program Studi Ilmu Kesehatan Masyarakat, Program Pascasarjana, Universitas Nusa Cendana, Kupang, Indonesia;
3. Division of Biostatistics, Washington University School of Medicine, St. Louis, Missouri;
4. Infectious Diseases Division, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri