COVID RADAR app: Description and validation of population surveillance of symptoms and behavior in relation to COVID-19

• Willian J. van Dijk,

  Roles Data curation, Formal analysis, Methodology, Visualization, Writing – original draft

  Affiliation Department of Public Health & Primary Care/LUMC Campus, The Hague Leiden University Medical Center, The Hague, Netherlands

  https://orcid.org/0000-0002-6314-9326

  ⨯
• Nicholas H. Saadah,

  Roles Data curation, Writing – review & editing

  Affiliations Department of Public Health & Primary Care/LUMC Campus, The Hague Leiden University Medical Center, The Hague, Netherlands, National eHealth Living Lab (NeLL), Leiden University Medical Center, Leiden, The Netherlands

  ⨯
• Mattijs E. Numans,

  Roles Conceptualization, Supervision, Writing – review & editing

  Affiliation Department of Public Health & Primary Care/LUMC Campus, The Hague Leiden University Medical Center, The Hague, Netherlands

  ⨯
• Jiska J. Aardoom,

  Roles Writing – review & editing

  Affiliations Department of Public Health & Primary Care/LUMC Campus, The Hague Leiden University Medical Center, The Hague, Netherlands, National eHealth Living Lab (NeLL), Leiden University Medical Center, Leiden, The Netherlands

  https://orcid.org/0000-0002-4023-6814

  ⨯
• Tobias N. Bonten,

  Roles Writing – review & editing

  Affiliations Department of Public Health & Primary Care/LUMC Campus, The Hague Leiden University Medical Center, The Hague, Netherlands, National eHealth Living Lab (NeLL), Leiden University Medical Center, Leiden, The Netherlands

  ⨯
• Menno Brandjes,

  Roles Conceptualization, Writing – review & editing

  Affiliation LogiqCare, Ortec B.V., Zoetermeer, The Netherlands

  ⨯
• Michelle Brust,

  Roles Conceptualization, Writing – review & editing

  Affiliation Department of Public Health & Primary Care/LUMC Campus, The Hague Leiden University Medical Center, The Hague, Netherlands

  ⨯
• Saskia le Cessie,

  Roles Methodology, Writing – review & editing

  Affiliations Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands

  ⨯
• Niels H. Chavannes,

  Roles Writing – review & editing

  Affiliations Department of Public Health & Primary Care/LUMC Campus, The Hague Leiden University Medical Center, The Hague, Netherlands, National eHealth Living Lab (NeLL), Leiden University Medical Center, Leiden, The Netherlands

  ⨯
• Rutger A. Middelburg,

  Roles Writing – review & editing

  Affiliations Department of Public Health & Primary Care/LUMC Campus, The Hague Leiden University Medical Center, The Hague, Netherlands, Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands

  https://orcid.org/0000-0002-6545-7277

  ⨯
• Frits Rosendaal,

  Roles Writing – review & editing

  Affiliation Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands

  ⨯
• Leo G. Visser,

  Roles Writing – review & editing

  Affiliation Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands

  ⨯
• Jessica Kiefte-de Jong

  Roles Project administration, Supervision, Writing – review & editing

  * E-mail: J.C.Kiefte@lumc.nl

  Affiliations Department of Public Health & Primary Care/LUMC Campus, The Hague Leiden University Medical Center, The Hague, Netherlands, National eHealth Living Lab (NeLL), Leiden University Medical Center, Leiden, The Netherlands

  https://orcid.org/0000-0002-8136-0918

  ⨯