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Public Health > 2015 > 129 > 3 > 200-209
Obesity Research & Clinical Practice > 2014 > 8 > 1 > e98-e105
Journal of General Internal Medicine > 2008 > 23 > 2 > 175-179
Bundesgesundheitsblatt - Gesundheitsforschung - Gesundheitsschutz > 2003 > 46 > 9 > 727-731