After six months it is available under a Creative Commons License (Attribution???Noncommercial???Share Alike 3.0 Unported license, as described at <a href="http://creativecommons.org/licenses/by-nc-sa/3.0/).This">http://creativecommons.org/licenses/by-nc-sa/3.0/).This</a> article has been cited by other articles in PMC.AbstractInterleukin (IL) 6 is a proinflammtory cytokine produced by antigen-presenting cells and nonhematopoietic cells in response to external stimu