Correction: A participatory parent-focused intervention promoting physical activity in preschools: Design of a cluster-randomized trial
1 Mannheim Institute of Public Health, Social and Preventive Medicine, University Medicine Mannheim, Heidelberg University, Mannheim, Germany
2 Department of Pediatrics, University Medicine Mannheim, Mannheim Medical Faculty, Heidelberg University, Mannheim, Germany
BMC Public Health 2012, 12:355 doi:10.1186/1471-2458-12-355Published: 16 May 2012
First paragraph (this article has no abstract)
At the time of writing our study design paper , the study's recruitment and randomization process was ongoing with numbers of schools in both study arms still changing. We finally were able to recruit more eligible preschools than initially thought. Therefore the numbers in Figure 1 have changed (see new attached Figure 1).