[1] Cent Queensland Univ, Inst Hlth & Social Sci Res, Rockhampton, Qld 4702, Australia
[2] Cent Queensland Univ, Ctr Mental Hlth Nursing Innovat, Rockhampton, Qld 4702, Australia
[3] Univ New England, Sch Hlth, Armidale, NSW 2351, Australia
[4] Cairns & Hinterland Mental Hlth Serv, Perinatal Mental Hlth, Cairns, Qld, Australia