1. Northumbria Healthcare NHS Foundation Trust, North Tyneside General Hospital, North Shields, Tyne and Wear, UK
2. Department of Nursing, Midwifery and Health, Northumbria University, Newcastle-upon-Tyne, UK
3. Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle-upon-Tyne, UK
4. Institute of Health and Society, Newcastle University, Newcastle-upon-Tyne, UK