Ruben Argueta | Director, IR |
Douglas Bryant | President, CEO & Director |
Randall Steward | CFO |
Jack Meehan | Barclays |
Brian Weinstein | William Blair |
Tycho Peter | JP Morgan |
William Quirk | Piper Jaffray |
Alex Nowak | Craig Hallum |
Ladies and gentlemen, thank you for standing by. Welcome to Quidel Corporation Fourth Quarter and Full Year 2018 Earnings Conference Call. [Operator Instructions] I'd now like to turn the call over to Mr. Ruben Argueta, Quidel's Director of Investor Relations. Please go ahead.