A Spatial Analysis of County-level Variation in Syphilis and Gonorrhea in Guangdong Province, China

• Nicholas X. Tan,

  Affiliation Harvard University, Cambridge, Massachusetts, United States of America

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• Jane P. Messina,

  Affiliation Department of Geography, University of North Carolina, Chapel Hill, North Carolina, United States of America

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• Li-Gang Yang ,

  * E-mail: yanglg3@yahoo.com (L-GY); jtucker4@partners.org (JDT)

  Affiliation Guangdong Provincial STI Control Center, Guangzhou, China

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• Bin Yang,

  Affiliation Guangdong Provincial STI Control Center, Guangzhou, China

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• Michael Emch,

  Affiliation Department of Geography, University of North Carolina, Chapel Hill, North Carolina, United States of America

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• Xiang-Sheng Chen,

  Affiliation National Center for STD Control, Nanjing, China

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• Myron S. Cohen,

  Affiliation Division of Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, United States of America

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• Joseph D. Tucker

  * E-mail: yanglg3@yahoo.com (L-GY); jtucker4@partners.org (JDT)

  Affiliations Harvard University, Cambridge, Massachusetts, United States of America, Guangdong Provincial STI Control Center, Guangzhou, China, Division of Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, United States of America

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