Thank you, Charlie. Good afternoon, everyone, and welcome to FibroGen's 2021 Second Quarter Conference Call. I'm Michael Tung, Vice President of Corporate Strategy and Investor Relations at FibroGen. Joining me on today's call are Enrique Conterno, our Chief Executive Officer; Pat Cotroneo, our Chief Financial Officer; Dr. Mark Eisner, our Chief Medical Officer; Dr. John Hunter, our Chief Scientific Officer; Thane Wettig, our Chief Commercial Officer; and Chris Chung, our Senior Vice President of China Operations. The format for today's call includes prepared remarks from Enrique and Pat, after which we will open up the call for Q&A. I would like to remind you that remarks made on today's call may include forward-looking statements based on FibroGen's current expectations. Such statements may include statements regarding to, but not limited to, our research and development activities; the initiation, enrollment, design, conduct and results of clinical trials; our regulatory strategies and potential regulatory results; anticipated FDA interactions; commercialization and results of operations; risks, plans, market opportunity and strategy related to our business; our collaborations with AstraZeneca and Astellas; financial guidance; and certain other business matters. Such forward-looking statements are subject to significant risks and uncertainties that could cause actual results to differ materially from those anticipated in such statements. For a discussion of these and other material risks and factors that could affect our future financial results and business, please refer to the disclosure in today's press release reporting our fiscal 2021 second quarter financial results and business update, our most recent Forms 10-K and 10-Q and reports that we may file on Form 8-K with the Securities and Exchange Commission. All our statements are made as of today, August 9, 2021, based on information currently available to us, and FibroGen does not undertake any obligation to update publicly any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. Today's press release reporting our fiscal 2021 second quarter financial results and business update and a webcast of today's conference call can be found on the Investors section of FibroGen's website at www.fibrogen.com. With that, I would like to turn the call over to Enrique Conterno, our CEO. Enrique?