Affiliation: | 1.Department of Public Health and Clinical Medicine, Epidemiology and Global Health,Ume? University,Ume?,Sweden;2.Department of Clinical Microbiology, Infectious Diseases,Ume? University,Ume?,Sweden;3.School of Geographical Sciences and Urban Planning,Arizona State University,Tempe,USA;4.Department of Environmental Sciences,University of Virginia,Charlottesville,USA |