1. Department of Psychological Medicine; University of Otago; Christchurch New Zealand
2. Centre for Postgraduate Nursing Studies; University of Otago; Christchurch New Zealand
3. School of Nursing and Midwifery; Edith Cowan University; Perth Australia
4. School of Health Sciences; University of Stirling; Scotland UK
5. Department of Psychology; University of Canterbury; Christchurch New Zealand