Comparison between breathing and aerobic exercise on clinical control in patients with moderate-to-severe asthma: protocol of a randomized trial - Evaristo, Karen B.; Saccomani, Milene G.; Martins, Milton A.; Cukier, Alberto; Stelmach, Rafael; Rodrigues, Marcos R.; Santaella, Danilo F.; Carvalho, Celso R. F. (BMC Pulmonary Medicine, 2014)