Patients with skin smear positive leprosy in Bangladesh are the main risk factor for leprosy development: 21-year follow-up in the household contact study (COCOA)

• Emily E. V. Quilter ,

  Contributed equally to this work with: Emily E. V. Quilter, C. Ruth Butlin, Surendra Singh, Khorshed Alam, Diana N. J. Lockwood

  Roles Conceptualization, Data curation, Formal analysis, Writing – original draft, Writing – review & editing

  * E-mail: e_q_1992@hotmail.co.uk

  Affiliation Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel street, London, United Kingdom

  http://orcid.org/0000-0003-1302-9059

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• C. Ruth Butlin ,

  Contributed equally to this work with: Emily E. V. Quilter, C. Ruth Butlin, Surendra Singh, Khorshed Alam, Diana N. J. Lockwood

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliations The Leprosy Mission England and Wales, Peterborough, United Kingdom, The Leprosy Mission International, Nilphamari, Bangladesh

  http://orcid.org/0000-0001-7008-5263

  ⨯
• Surendra Singh ,

  Contributed equally to this work with: Emily E. V. Quilter, C. Ruth Butlin, Surendra Singh, Khorshed Alam, Diana N. J. Lockwood

  Roles Project administration, Resources

  Affiliation The Leprosy Mission International, Nilphamari, Bangladesh

  ⨯
• Khorshed Alam ,

  Contributed equally to this work with: Emily E. V. Quilter, C. Ruth Butlin, Surendra Singh, Khorshed Alam, Diana N. J. Lockwood

  Roles Conceptualization, Project administration, Resources

  Affiliation The Leprosy Mission International, Nilphamari, Bangladesh

  ⨯
• Diana N. J. Lockwood

  Contributed equally to this work with: Emily E. V. Quilter, C. Ruth Butlin, Surendra Singh, Khorshed Alam, Diana N. J. Lockwood

  Roles Supervision, Writing – original draft, Writing – review & editing

  Affiliation Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel street, London, United Kingdom

  ⨯