dr. alice chen. all the primary care clinics are using the lean true north metrics. some of them have embedded daily management system in the daily huddles and daily work, others have used some pieces of it like the visibility walls or occasional huddles but that's the roll out, the full on daily management system and that's tied to our epic implementation. >> president chow: so go back to my first question then. does it make any, you know issues -- you know, any sense to say that this first block do or do not perform better than the blocks who haven't gotten all the training yet? >> you are thinking like a scientist. i think the issue is that the reason certain clinics are chosen is because of staffing and leadership issues. that are are actually qualitative differences. >> president chow: okay. i won't ask further. >> commissioners, we are getting updates on a regular basis around lean as a whole. as you know in our meetings with both jccs we are trying to standardize the way we report out in a lean model so where he will continue to give you updates on all parts o