Congrats on the launch!

I have considered this in the past, but had a some questions on the investment (and typically high recurring cost):

1. How many years will cord blood usable when frozen?

2. Do you think ongoing research like the way Harvard researchers found ways to reprogram skin cells to stem cells [1], if eventually commercialized, would be a headwind for your business?

[1] https://news.harvard.edu/gazette/story/2015/10/converting-sk...