2018-03-15Zeitschriftenartikel
KiGGS Wave 2 cross-sectional study – participant acquisition, response rates and representativeness
Hoffmann, Robert; Lange, Michael; Butschalowsky, Hans; Houben, Robin; Schmich, Patrick; Allen, Jennifer; Kuhnert, Ronny; Schaffrath Rosario, Angelika; Gößwald, Antje