References

1. Expert Panel Report 3 (EPR-3): Guidelines for the Diagnosis and Management of Asthma-Summary Report 2007. J Allergy Clin Immunol 120:S94-138, 2007 https://doi.org/10.1016/j.jaci.2007.09.029
2. Global Strategy for Asthma Management and Prevention. Global Initiative for Asthma (GINA), 2009. Available from www.ginasthma. org Date last updated, 2009