Add to ORKGSee next page for additional authors This Article is brought to you for free and open access by the Department of Epidemiology and Public Health Medicine at e-publications@RCSI. It has been accepted for inclusion in Epidemiology and Public Healt
This Article is brought to you for free and open access by the Health Management and Policy at UKnow...
This Article is brought to you for free and open access by the Internal Medicine at UKnowledge. It h...
© 2013 The Authors. This is an open-access article and may be freely copied, distributed, transmitte...
This Article is brought to you for free and open access by the Epidemiology at UKnowledge. It has be...
See next page for additional authors This Article is brought to you for free and open access by the ...
See next page for additional authors This Article is brought to you for free and open access by the ...
This Journal Article is brought to you for free and open access by the Epidemiology and Biostatistic...
The online version of this article has been published under an open access model. Users are entitled...
This Journal Article is brought to you for free and open access by the Emergency Medicine at Health ...
Part of the Medicine and Health Sciences Commons This is an open-access article, free of all copyrig...
This Article is brought to you for free and open access by the Health Management and Policy at UKnow...
This Article is brought to you for free and open access by the Internal Medicine at UKnowledge. It h...
© 2013 The Authors. This is an open-access article and may be freely copied, distributed, transmitte...
This Article is brought to you for free and open access by the Epidemiology at UKnowledge. It has be...
See next page for additional authors This Article is brought to you for free and open access by the ...
See next page for additional authors This Article is brought to you for free and open access by the ...
This Journal Article is brought to you for free and open access by the Epidemiology and Biostatistic...
The online version of this article has been published under an open access model. Users are entitled...
This Journal Article is brought to you for free and open access by the Emergency Medicine at Health ...
Part of the Medicine and Health Sciences Commons This is an open-access article, free of all copyrig...
This Article is brought to you for free and open access by the Health Management and Policy at UKnow...
This Article is brought to you for free and open access by the Internal Medicine at UKnowledge. It h...
© 2013 The Authors. This is an open-access article and may be freely copied, distributed, transmitte...