- Correspondence to Dr Drushca Lalloo, Healthy Working Lives Group, Institute of Health and Wellbeing, College of Medical, Veterinary and Life Sciences, University of Glasgow, 1 Lilybank Gardens, Glasgow G12 8RZ, UK;
- Received 26 August 2016
- Revised 15 December 2016
- Accepted 3 January 2017
- Published online 23 February 2017.
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