1. Spinal Rehabilitation Service, Department of Rehabilitation, Caulfield Hospital, Alfred Health, Caulfield, Victoria, Australia
2. Epworth-Monash Rehabilitation Medicine Unit, Southern Medical School, Monash University, Victoria, Australia
3. Department of Epidemiology and Preventive Medicine, Faculty of Medicine, Nursing & Health Sciences, Monash University, Victoria, Australia
4. Clinic for Spinal Cord Injuries, Neuroscience Center, Rigshospitalet, University of Copenhagen, Denmark