1. Department of Obstetrics and Gynecology, Faculty of Medicine, University of Padjadjaran – Dr. Hasan Sadikin General Hospital Bandung, West Java, Indonesia
2. Faculty of Medicine, University of Padjadjaran – Dr. Hasan Sadikin General Hospital Bandung, West Java, Indonesia
3. Department of Public Health (Epidemiology), Faculty of Medicine, University of Padjadjaran – Dr. Hasan Sadikin General Hospital Bandung, West Java, Indonesia
4. Department of Clinical Pathology, Faculty of Medicine, University of Padjadjaran – Dr. Hasan Sadikin General Hospital Bandung, West Java, Indonesia
5. Department of Internal Medicine, Faculty of Medicine, University of Padjadjaran – Dr. Hasan Sadikin General Hospital Bandung, West Java, Indonesia.