1. Universitas Airlangga,Faculty of Medicine,Doctoral Program of Medical Science,Surabaya,Indonesia
2. Universitas Airlangga / Dr. Soetomo, General Academic Hospital,Faculty of Medicine,Department of Dermatology and Venerology,Surabaya,Indonesia
3. Bina Nusantara University,Faculty of Engineering,Food Technology Department,Jakarta,Indonesia
4. Universitas Airlangga / Dr. Soetomo, General Academic Hospital,Faculty of Medicine,Department of Pediatrics,Surabaya,Indonesia