Thank you, Mark. Research and development revenue for the three months ended March 31, 2019 more than doubled to approximately $403,000 comparing to $184,000 for the same period a year ago. The increase in research and development revenue reflects six ongoing research collaborations in 2019, compared to two collaborations in 2018. Cost of research and development revenue for the three months ended March 31, 2019 increased to approximately $328,000 comparing to $147,000 for the same period a year ago. Research and development expenses for the three months ended March 31, 2019 increased to approximately $692,000 compared to $577,000 for the same period a year ago. The changes primarily reflect the cost of additional internal research activities with third-party contract research organizations. Research and development expenses related party for the three months ended March 31, 2019 slightly decreased to approximately $389,000 compared to $393,000 for the same period a year ago. These expenses reflect the research and development cost related to the companies R&D agreement with BDI which started in July 2017. G&A expenses for the three months ended March 31, 2019 increased to approximately $1.4 million compared to $1.3 million for the same period a year ago. The increase primarily reflects increases in share-based compensation expenses related to stock options granted in 2019, as well as various other expenses including those associated with the April uplifting to the NASDAQ. Interest income for the three months ended March 31, 2019 increased 43.5% to approximately $267,000 compared to $186,000 for the same period a year ago. The increase in interest income reflects higher yields on company's investment grade securities which are classified as health to maturity. Net loss for the three months ended March 31, 2019 was approximately $2.2 million or $0.08 per share compared to a net loss of $2 million or $0.07 per share for the same period a year ago. On the balance sheet side, at March 31, 2019 cash and cash equivalents were approximately $4 million compared to $2.4 million at December 31, 2018. The tearing [ph] value of investment-grade securities including accrued interest at March 31, 2019 was $36.1 million compared to $39.1 million at December 31, 2018. With that, Matthew Jones, our Chief Commercial Officer; and Dr. Ronen Tchelet, our Chief Scientific Officer will join Mark and I to answer your questions. Each caller will be allowed one question and one follow-up question to provide all callers an opportunity to participate. If time persists, the operator will allow additional questions from those who have already spoken. Now, I'd like to turn the call back to our operator to take your questions. Stevens [ph]?