1. Master Program of Tropical Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya, East Java 60132, Indonesia
2. Dengue Study Group, Institute of Tropical Disease, Universitas Airlangga, Surabaya, East Java 60115, Indonesia
3. Clinical Microbiology Specialist Program, Faculty of Medicine, Universitas Airlangga, Surabaya, East Java 60132, Indonesia