1. School of Health; Queen Margaret University; Edinburgh UK
2. Nursing and Health Services Management; Edith Cowan University; Perth WA Australia
3. Sir Charles Gairdner Hospital; Perth WA Australia
4. International Public Health and Biostatistics Unit; Instituto de Higiene e Medicina Tropical; Universidade Nova de Lisboa; Lisbon Portugal
5. Nursing and Health Services Management; University of Technology; Sydney NSW Australia
6. Columbia University School of Nursing; New York NY USA