[1
]
Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney,
Sydney, New South Wales, Australia. Electronic address: abar3926@uni.sydney.edu.au.
[2
]
Discipline of Physiotherapy, Faculty of Health Sciences, The University of Sydney,
Sydney, New South Wales, Australia.
[3
]
Department of Health Promotion and Health Education, Murcia Health Council, Murcia,
Spain.
[4
]
The George Institute for Global Health, Sydney Medical School, The University of Sydney,
Sydney, New South Wales, Australia.
[5
]
Murcia Twin Registry, Department of Human Anatomy and Psychobiology, University of
Murcia, and IMIB-Arrixaca, Spain.
[6
]
Discipline of Physiotherapy, University of Málaga, Spain.