1. B.T. Saragiotto, MSc, Musculoskeletal Division, The George Institute for Global Health, The University of Sydney, Level 13, 321 Kent St, Sydney, New South Wales, Australia.
2. M.O. de Almeida, PhD, Masters and Doctoral Program in Physical Therapy, Universidade Cidade de São Paulo, São Paulo, Brazil.
3. T.P. Yamato, MSc, Musculoskeletal Division, The George Institute for Global Health, The University of Sydney.
4. C.G. Maher, PhD, Musculoskeletal Division, The George Institute for Global Health, The University of Sydney.