1. Institute of Occupational Medicine, 2007

2. Weight Watchers UK Ltd., 2010

3. Chartered Society of Physiotherapy, 2010

4. Galinsky et al., 2007 

5. Fenety and Walker 2002 

6. El portalil en casa, Vodafone

7. West et al., 2008 

8. ‘Keep it light’ Campaign

9. Working with VDUs, Health and Safety Executive

10. Medical Billing and Coding

11. The College of Optometrists

12. Aydeniz, 2008

13. PriceWaterhouseCoopers, 2008