A stepped-wedge implementation and evaluation of the healthy active peaceful playgrounds for youth (HAPPY) intervention.
Dean A DudleyWayne CottonLouisa PeraltaMatthew WinsladePublished in: BMC public health (2018)
This study was retrospectively registered with the Australian and New Zealand Clinical Trials Registry ACTRN12616000575437 . Date of registration: 4 May 2016.