Cross-cultural adaptation of the caregiver contribution to heart failure self-Care into Brazilian Portuguese and content validation - Grisante, Daiane Lopes; Harkness, Karen; Buck, Harleah G; Ferretti-Rebustini, Renata Eloah de Lucena; Lopes, Juliana de Lima; Lopes, Camila Takáo (Heart & Lung: The Journal of Critical Care, 2020)