Protocol for an open labelled observational study in children & adolescents with severe asthma with an eosinophilic phenotype treated with mepolizumab (CASAM) - Atul Gupta; Ines de Mir Messa; Jose Valverde-Molina; Clare S. Murray; Luis Moral; Javier Torres Borrego; Katharine Pike; Ana Díaz-Izquierdo; Ana Martínez-Cañavate; Prasad Nagakumar; James Cook; Latika Gupta (PLoS ONE, 2025)