1. Reproductive Health Science Postgraduate, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
2. Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
3. Physiotherapy Programme Centre for Rehabilitation and Special Needs Studies, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia