1. Department of Biochemistry, Faculty of Medicine Sam Ratulangi University, Manado, Indonesia
2. Department of Clinical Pathology, Faculty of Medicine Universitas Indonesia/Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia
3. Molecular Bacteriology Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
4. Department of Child Health, Faculty of Medicine Universitas Indonesia/Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia