1. Pawankar R, et al. World Allergy Organization. White Book on Allergy. Update 2013. Executive Summary. Milwaukee:WAO;2013. 13p.
2. Summary Health Statistics for U.S. Children: National Health Interview Survey, Table 2. [Internet]. 2012. Available from: http://www.cdc.gov/nchs/fastats/asthma.htm [Accessed: 2016-09-09]
3. Summary Health Statistics for U.S. Adults: National Health Interview Survey, Table 3, 4. [Internet]. 2012. Available from: http://www.cdc.gov/nchs/fastats/asthma.htm [Accessed: 2016-09-09]
4. Pawankar R. Allergic diseases and asthma: a global public health concern and a call to action. World Allergy Organ J. 2014;7(1):12. doi:10.1186/1939-4551-7-12
5. Larsen JN, Broge L, Jacobi H. Allergy immunotherapy: the future of allergy treatment. Drug Discov Today. 2016;21(1):26–37. doi:10.1016/j.drudis.2015.07.010