Correction: Applying the Nova food classification to food product databases using discriminative ingredients: a methodological proposal - Mariana Fagundes Grilo; Mariana Fagundes Grilo; Beatriz Silva Nunes; Beatriz Silva Nunes; Ana Clara Duran; Ana Clara Duran; Ana Clara Duran; Camila Zancheta Ricardo; Larissa Galastri Baraldi; Larissa Galastri Baraldi; Euridice Martinez Steele; Camila Aparecida Borges; et al. (Frontiers in Public Health)