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Lange M, Butschalowsky HG, Jentsch F, Kuhnert R, Schaffrath Rosario A, Schlaud M, Kamtsiuris P; KiGGS Study Group.Lange M, et al. Among authors: schlaud m.Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2014 Jul;57(7):747-61. doi: 10.1007/s00103-014-1973-9.Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2014.PMID: 24950824Clinical Trial.German.