1. Centre for Complementary Medicine Research, University of Western Sydney, Penrich, New South Wales, Australia.
2. School of Psychology, University of Sydney, Sydney, Australia.
3. Department of Psychological Medicine, Children's Hospital at Westmead, Westmead, New South Wales, Australia.
4. School of Medicine, University of Western Sydney, Penrith, New South Wales, Australia.
5. School of Medicine & Centre for Health Research, University of Western Sydney, Sydney, Australia.
6. James Cook University, Townsville, Australia.