Self-Perception of Mental Health and Exacerbated Social Inequalities Among Vulnerable Older Adults During the COVID-19 Pandemic in Brazil (2021–2023) oleh Letícia Perticarrara Ferezin PhD, Rander Junior Rosa MS, Mônica Chiodi Toscano de Campos PhD, Thaís Zamboni Berra PhD, Heriederson Sávio Dias Moura PhD, Ariela Fehr Tártaro BSC, Murilo César do Nascimento PhD, Natacha Martins Ribeiro BSC, Juliana Soares Tenório de Araújo BSC, Fernanda Bruzadelli Paulino da Costa BSC, Reginaldo Bazon Vaz Tavares BSC, Yan Mathias Alves MS, Titilade Kehinde Ayandeyi Teibo MS, Regina Celia Fiorati PhD, Severina Alice da Costa Uchoa PhD, Rosa Maria Pinheiro Souza PhD, Ione Carvalho Pinto PhD, Ricardo Alexandre Arcêncio PhD