1. University of New South Wales; South Western Sydney Clinical School, Faculty of Medicine; PO BOX 3256 Blakehurst New South Wales Australia 2221
2. University of New South Wales; Faculty of Medicine; Hurstville NSW Australia 2220
3. Beijing University of Chinese Medicine; Centre For Evidence-Based Chinese Medicine; 11 Bei San Huan Dong Lu Chaoyang District Beijing China 100029
4. University of Technology; College of Traditional Chinese Medicine; Department of Medical and Molecular Biosciences Faculty of Science Sydney New South Wales Australia
5. Beijing University of Chinese Medicine; Evidence-Based Clinical Centre, School of Basic Medical Sciences; Beijing China 100029