Fig. 1From: The Pediatric Guideline Adherence and Outcomes (PEGASUS Argentina) program in severe traumatic brain injury: study protocol adaptations during the COVID-19 pandemic for a multisite implementation-effectiveness cluster randomized controlled trialComparison of PEGASUS stepped wedge and parallel cluster designs stepped wedge design implemented September 2019–May 2020. Parallel cluster design developed April–May 2020, implemented May 2020Back to article page