1. Doctoral Study Program of Medical and Health Science, Universitas Diponegoro, Semarang, Indonesia
2. Department of Urology, Faculty of Medicine Universitas Indonesia, Cipto Mangunkusumo Hospital, Jakarta, Indonesia
3. Department of Nutrition, Faculty of Medicine, Universitas Diponegoro, Semarang, Indonesia
4. Center for Biomedical Research (CEBIOR), Faculty of Medicine, Universitas Diponegoro, Semarang, Indonesia