1. Universiti Brunei Darussalam, Pengiran Anak Puteri Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Brunei Darussalam
2. Midwifery Department, Faculty of Health Sciences, Universitas Muhammadiyah Pekajangan Pekalongan, Indonesia
3. School of Nursing and Midwifery, La Trobe University, Melbourne, Australia