The 5 R’s of Indigenous Research as a Framework to Co-Design and Evaluate an Outdoor Play Program in Early Learning and Child Care Centers: Protocol for the Promoting Early Childhood Outside (PRO-ECO) 2.0 Wait-List Control Cluster Randomized Trial

Mariana Brussoni   ^{1, 2, 3, 4} , PhD ;   Rachel Ramsden   ^{1, 2, 4} , MPH ;   Sheila Grieve   ⁵ , MAIS ;   Dawn Mount   ^{1, 2} , BA ;   Emily Fox   ² , BA ;   Susan Herrington   ⁶ , MLA ;   Yingyi Lin   ⁷ , PhD ;   Stella Erasmus Johnson   ^{8 *} ;   Jean Lloyd   ^{9 *} ;   Enid Elliot   ^{10 *} , PhD ;   Emily Mlieczko   ^{11 *} , ECE ;   Andrea Lemire   ^{12 *} ;   Laranna Scott   ^{13 *} , BA ;   Ashley Barrett   ^{14 *} ;   Emma Cottier   ^{10 *} , MEd ;   Ally Rice   ^{15 *}

¹ Department of Pediatrics, University of British Columbia, Vancouver, BC, Canada

² British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada

³ Human Early Learning Partnership, University of British Columbia, Vancouver, Canada

⁴ School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada

⁵ Vancouver Island University, Nanaimo, BC, Canada

⁶ School of Architecture and Landscape Architecture, University of British Columbia, Vancouver, BC, Canada

⁷ Independent Consultant, Seattle, WA, United States

⁸ Knowledge Keeper, Nanaimo, BC, Canada

⁹ Knowledge Keeper, Christina Lake, BC, Canada

¹⁰ PRO-ECO 2.0 project, Victoria, BC, Canada

¹¹ PRO-ECO 2.0 project, Nanaimo, BC, Canada

¹² PRO-ECO 2.0 project, Vancouver, BC, Canada

¹³ PRO-ECO 2.0 project, Grand Forks, BC, Canada

¹⁴ PRO-ECO 2.0 project, Moberly Lake, BC, Canada

¹⁵ PRO-ECO 2.0 project, Cranbrook, BC, Canada

*these authors contributed equally