1. Doctoral Program of Medical Science, Faculty of Medicine, Universitas Airlangga, Surabaya, East Java 60131, Indonesia
2. Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Pertahanan, Bogor, West Java 16810, Indonesia
3. Sumberglagah Leprosy Hospital, Mojokerto, East Java 67152, Indonesia
4. Department of Dermatovenereology, Faculty of Medicine, Universitas Airlangga, Surabaya, East Java 60131, Indonesia
5. Institute of Tropical Disease, Universitas Airlangga, Surabaya, East Java 60115, Indonesia