Are front-of-package warning labels more effective at communicating nutrition information than traffic-light labels?: a randomized controlled experiment in a Brazilian sample - Khandpur, Neha; Sato, Priscila de Morais; Mais, Laís Amaral; Martins, Ana Paula Bortoletto; Spinillo, Carla Galvão; Garcia, Mariana Tarricone; Urquizar Rojas, Carlos; Jaime, Patricia Constante (Nutrients, 2018)