Contextual influences on physical activity and eating habits -options for action on the community level - Schneider, Sven; Diehl, Katharina; Görig, Tatiana; Schilling, Laura; Bock, Freia de; Hoffmann, Kristina; Albrecht, Maren; Sonntag, Diana; Fischer, Joachim E. (BioMed Central, 2017)