before that one of the things which we quite often face is we have trained our models for example using UK biobank which is great because it's so much data available you then deploy it in the clinic and it doesn't really work that well and it's mostly due to really differences in not only the hardware but also the knobs which people turn when they acquire the images so MRI is great because it's so it's effectively a programmable device but it also means you can produce very different looking images and I already mentioned that to