Study protocol of the Healthy High School study: a school-based intervention to improve well-being among high school students in Denmark.
Camilla Thørring BonnesenMette ToftagerKatrine Rich MadsenStine Kjær WehnerMarie Pil JensenJohanne Aviaja RosingBjarne LaursenNaja Hulvej RodPernille DueRikke Fredenslund KrølnerPublished in: BMC public health (2020)
ISRCTN ISRCTN43284296, 28 April 2017, retrospectively registered.