Best practices for applying the Nova food classification system - Steele, Eurídice Martínez; Louzada, Maria Laura da Costa; Machado, Priscila Pereira; Moubarac, Jean Claude; Nansel, Tonja; Rauber, Fernanda; Srour, Bernard; Touvier, Mathilde; Monteiro, Carlos Augusto; Khandpur, Neha; Batis, Carolina; Bes-Rastrollo, Maira; et al. (Nature Food, 2023)