Being a mother of preterm multiples in the context of socioeconomic disadvantage: perceived stress and psychological symptoms Joana Baptista, Vanessa Moutinho, Vera Mateus, Hercília Guimarães, Fátima Clemente, Sara Almeida, Maria Agostinha Andrade, Clara Paz Dias, Alice Freitas, Carla Martins, Isabel Soares

Loneliness and associated factors among Brazilian adolescents: results of national adolescent school-based health survey 2015 Juliana Teixeira Antunes, Ísis Eloah Machado, Deborah Carvalho Malta

Exclusive breastfeeding and length of hospital stay in premature infants at a Brazilian reference center for kangaroo mother care Patrícia de Padua Andrade Campanha, Maria Clara de Magalhães-Barbosa, Arnaldo Prata-Barbosa, Gustavo Rodrigues-Santos, Antônio José Ledo Alves da Cunha