COVID-19 Mortality, Human Development, and Age Across the WHO Member States: A Longitudinal Multilevel Count Data Analysis. - José Clemente Jacinto Ferreira; Ana Paula Matias Gama; Luiz Paulo Lopes Fávero; Ricardo Goulart Serra; Patrícia Prado Belfiore; Igor Pinheiro de Araújo Costa; Miguel Ângelo Lellis Moreira; Marcos dos Santos; Wilson Tarantin Junior (Comput., 2026)