[1] Srinakharinwirot Univ, Fac Nursing, Community Nursing, Ongkharak, Nakhonnayok, Thailand
[2] Univ Newcastle, Fac Hlth & Med, Sch Nursing & Midwifery, Callaghan, NSW, Australia
[3] Univ Newcastle, Fac Hlth & Med, Sch Nursing & Midwifery, Callaghan, NSW, Australia