There are currently 99 centers in United States that have received vaccination therapy certifications from the joint commission. Eleven centers have submitted their applications to the joint commission and five have surveys scheduled before year end. I would now like to provide an update on our market development and educational programs.
Activities of medical conferences, clinical data publications and the roadmap study all of which is supporting the growing adoption of the HeartMate II. With respect to our market development programs we have spoken in previous calls about our wide range of initiatives designed to broaden awareness within the referring cardiology channel. The increased capacity in implanting centers and continue to improve clinical outcomes.