A Corazón Abierto (English: Open-hearted) is a Colombian television series based on ABC's hit show Grey's Anatomy, written and supervised by Colombian writer Fernando Gaitán better known for creating hit telenovelas like Yo soy Betty, la fea (Ugly Betty), Café con Aroma de Mujer, and Hasta que la Plata nos Separe ('Till Money Do Us Apart). Initially conceived as a weekly series, the story was modified to be aired 5 episodes a week in a telenovela format, that is why several changes have been made into the story. The series began airing in the United States weeknights at 7pm on Telemundo on May 17, 2010.