%0 Journal Article %T The biodiversity hypothesis and allergic disease: world allergy organization position statement %A Tari Haahtela %A Stephen Holgate %A Ruby Pawankar %A Cezmi A Akdis %A Suwat Benjaponpitak %A Luis Caraballo %A Jeffrey Demain %A Jay Portnoy %A Leena von Hertzen %J World Allergy Organization Journal %D 2013 %I BioMed Central %R 10.1186/1939-4551-6-3 %U http://www.waojournal.org/content/6/1/3/abstract