High sedentary time in children is not only due to screen media use: a cross-sectional study.
Belinda HoffmannSusanne KobelOlivia WarthaSarah KettnerJens DreyhauptJürgen M SteinackerPublished in: BMC pediatrics (2019)
German Clinical Trials Register (DRKS), DRKS-ID: DRKS00000494 DATE: 25/08/2010.