Sterdt, Elena; Pape, Natalie; Kramer, Silke; Urban, Michael; Werning, Rolf; Walter, Ulla
(London : BioMed Central Ltd., 2013)
Background: Preschools offer high potential for preventive interventions. However, little is known about the structure of preschool programmes to promote physical activity (PA) in preschoolers although almost all children ...