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European Journal of Epidemiology > 2015 > 30 > 2 > 151-157
BMC Psychiatry > 2015 > 15 > 1 > 1-13
European Journal of Epidemiology > 2012 > 27 > 3 > 233-241
European Journal of Epidemiology > 2015 > 30 > 2 > 151-157
BMC Psychiatry > 2015 > 15 > 1 > 1-13
European Journal of Epidemiology > 2012 > 27 > 3 > 233-241