Coping with a chronic condition that requires lifelong medication: a qualitative study with people living with atrial fibrillation in São Paulo, Brazil - Paschoal, Elisabete; Olmos, Rodrigo Diaz; Gooden, Tiffany E; Lotufo, Paulo Andrade; Benseñor, Isabela Judith Martins; Jolly, Kate; Lip, Gregory Y H; Thomas, G Neil; Greenfield, Sheila; Lane, Deirdre; Goulart, Alessandra Carvalho; NIHR Global Health Research Group on Atrial Fibrillation Management (BMJ Open, 2025)