Effects of the Non-Nutritive Sweeteners on Glucose Metabolism and Appetite Regulating Hormones: Systematic Review of Observational Prospective Studies and Clinical Trials. - Romo-Romo, Alonso; Aguilar-Salinas, Carlos A.; Brito-Córdova, Griselda X.; Gómez Díaz, Rita A.; Vilchis Valentín, David; Almeda-Valdes, Paloma (PLoS ONE, 2016)