[1] Jordan Univ Sci & Technol, Fac Nursing, Dept Maternal & Child Hlth, Irbid 22110, Jordan
[2] Univ Technol, Fac Nursing Midwifery & Hlth, Sydney, NSW, Australia
[3] Sydney Childrens Hosp, Practice Dev Unit, Sydney, NSW, Australia
[4] Univ New S Wales, Fac Med, Sydney, NSW, Australia
[5] Univ Sydney, Fac Med, Sydney, NSW 2006, Australia
[6] Sydney W Area Hlth Serv, Primary Hlth Care Educ & Res Unit, Sydney, NSW, Australia