Identifying the Characteristics of Responders and Nonresponders in a Behavioral Intervention to Increase Physical Activity Among Patients With Moderate to Severe Asthma: Protocol for a Prospective Pragmatic Study - Lima, Fabiano Francisco de; Lunardi, Adriana Claudia; Pinheiro, David Halen Araújo; Pinto, Regina Maria Carvalho; Stelmach, Rafael; Giavina-Bianchi Júnior, Pedro Francisco; Agondi, Rosana Camara; Carvalho, Celso R. F. (Jmir research protocols, 2023)