Operator
Operator
Welcome to Natera's 2018 Fourth Quarter Financial Results Conference Call. At this time, all participants are in a listen-only mode. Following management's prepared remarks, we will hold a Q&A session. [Operator Instructions] As a reminder, this conference call is being recorded today, March 12, 2019. I would now like to turn the conference call over to Michael Brophy, Chief Financial Officer. Please go ahead.