Magnesium in acute pediatric asthma in the emergency department (MAGICIAN)—A multicentre randomized controlled clinical trial protocol - Suzanne Schuh; Sunita O’Shea; Stephen B. Freedman; Mohamed Eltorki; Jocelyn Gravel; Francine M. Ducharme; Waleed Alqurashi; Roger Zemek; George Wells; Jesse Elliott; April Kam; Sarah Curtis; et al. (PLoS ONE, 2026)