ISSN: 2329-9088 Tropical Medicine & Surgery The International Open Access Tropical Medicine & Surgery Executive Editors Jean-Paul Joseph Gonzalez French Research Institute for Development, USA Jimmy T. Eird East Carolina Heart Institute, North Carolina, USA Mark Wiser Tulane University of Public Health and Tropical Medicine USA Shi-Bin Cheng Brown University, USA Dong Zhou University of Pittsburgh, USA T his article was originally published in a journal by OMICS Publishing Group, and the attached copy is provided by OMICS Publishing Group for the author’s beneit and for the beneit of the author’s institution, for commercial/research/educational use including without limitation use in instruction at your institution, sending it to speciic colleagues that you know, and providing a copy to your institution’s administrator. All other uses, reproduction and distribution, including without limitation commercial reprints, selling or licensing copies or access, or posting on open internet sites, your personal or institution’s website or repository, are requested to cite properly. Available online at: OMICS Publishing Group (www.omicsonline.org) Digital Object Identiier: http://dx.doi.org/10.4172/2329-9088.1000e108