On the effect of COVID-19 pandemic in the excess of human mortality. The case of Brazil and Spain

• Jorge A. Borrego–Morell ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: jborrego@xerem.ufrj.br

  Affiliation Departamento de Matemática, UFRJ–Universidade Federal do Rio de Janeiro, Campus Santa Cruz da Serra, Duque de Caxias, Rio de Janeiro, Brazil

  https://orcid.org/0000-0001-8871-2739

  ⨯
• Edmundo J. Huertas ,

  Contributed equally to this work with: Edmundo J. Huertas, Nuria Torrado

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Departamento de Física y Matemáticas, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain

  ⨯
• Nuria Torrado

  Contributed equally to this work with: Edmundo J. Huertas, Nuria Torrado

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Departamento de Análisis Económico: Economía Cuantitativa, Universidad Autónoma de Madrid, Madrid, Spain

  ⨯