[1] Univ Padjadjaran, Fac Med, Dept Publ Hlth, Bandung, West Java, Indonesia
[2] Univ Respati Yogyakarta, Fac Hlth Sci, Profess Midwifery Program, Yogyakarta, Indonesia
[3] Poltekkes Kemenkes Bengkulu, Dept Midwifery, Bengkulu, Indonesia
[4] STIKes Karsa Husada, Profess Midwifery Program, Garut, West Java, Indonesia
[5] Deakin Univ, Sch Nursing & Midwifery, Ctr Qual & Patient Safety Res, Inst Hlth Transformat, Geelong, Vic, Australia
[6] Western Hlth, St Albans, Vic, Australia