Keep up to date with the latest news and articles from BMC Public Health and BioMed Central.
Ana Fernández-Somoano*, Gerard Hoek and Adonina Tardon
* Corresponding author: Ana Fernández-Somoano capua.uo@uniovi.es
BMC Public Health 2013, 13:71 doi:10.1186/1471-2458-13-71