1. Department of Parasitology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.
2. HVA Hospital, Pare, Kediri, Indonesia.
3. Master Program of Immunology, Postgraduate School, Universitas Airlangga, Surabaya, Indonesia.
4. Department of Pharmacology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.
5. Department of Clinical Pathology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia; Dr. Soetomo Hospital, Surabaya, Indonesia.
6. Department of Anatomic Pathology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.