Operator Greetings, and welcome to Global Blood Therapeutics conference call. [Operator instructions] As a reminder, this conference is being recorded. I would now like to turn this conference over to Mr. Steven Immergut. Please go ahead, sir. You may begin. Steven Immergut -- Senior Vice President, Head of Corporate Communications, and Investor Relations Thank you, and welcome to GBT's conference call to discuss the company's financial results for the fourth-quarter and full-year 2020 and to provide a business update. I'm Steven Immergut, head of communications and investor relations. Joining me on the call are Dr. Ted Love, our president and CEO, who will provide a high-level update on our progress in the fourth quarter and over the full-year 2020; jeff Farrow, our chief financial officer, who will provide an overview of our financial results; and David Johnson, or DJ, our chief commercial officer, who will give an update on the Oxbryta launch.