- Correspondence to Dr S Jill Stocks, Centre for Occupational and Environmental Health, 4th Floor Ellen Wilkinson Building, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK;
- Received August 26, 2014
- Revised November 28, 2014
- Accepted December 14, 2014
- First published January 9, 2015.
Abstract in multiple languages
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