Operator
Operator
Good day, ladies and gentlemen and welcome to Ultragenyx Pharmaceutical First Quarter 2015 Financial Results and Corporate Update. At this time, all participants are in a listen-only mode. Later, we will conduct a question-and-answer session and instructions will follow at that time. [Operator Instructions] As a reminder, this conference call is being recorded. I would now like to turn the conference over to Rob Anstey. Sir, you may begin.