Article Information
vol. 2 no. 1 30-39
PubMed
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History
- Received September 2, 2016
- Revised December 16, 2016
- Accepted January 5, 2017
- Published online February 24, 2017.
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- Previous version (February 6, 2017 - 07:55).
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Copyright & Usage
Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/ This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/