Winarko Luminturahardjo Department of Public Health Sciences, Faculty of Medicine, Widya Mandala Surabaya Catholic University, Surabaya, Indonesia
Hustorio Aliongko Simamora Department of Public Health Sciences, Faculty of Medicine, Widya Mandala Surabaya Catholic University, Surabaya Indonesia
Evan Kurniawan Gianto Departemen of Patology Clinic, Widya Mandala Surabaya, Catolic University Surabaya Indonesia