Erratum to "From ACTH-Dependent to ACTH-Independent Cushing's Syndrome from a Malignant Mixed Corticomedullary Adrenal Tumor: Potential Role of Embryonic Stem Cells". - Ramirez-Rentería, Claudia; Espinosa-de-los-Monteros, Ana-Laura; Espinosa-Cardenas, Etual; Marrero-Rodriguez, Daniel; Castellanos, Guillermo; Arreola-Rosales, Rocio; Montoya-Martinez, Guillermo; Taniguchi-Ponciano, Keiko; Briseño-Diaz, Paola; Padilla-Cristerna, Mayte-Lizeth; Figueroa-Corona, Maria-del-Pilar; Mercado, Moises (Case Reports in Endocrinology, 2020)