Factors Associated With Positive Self-Rated Health: Comparing Older Adults in Brazil and in Portugal - Cachioni, Meire; Cipolli, Gabriela Cabett; Borim, Flávia Silva Arbex; Batistoni, Samila Sathler Tavares; Yassuda, Monica Sanches; Neri, Anita Liberalesso; Paúl, Constança (Frontiers in Public Health, 2021)