I imagine the cost of the data, in this case, is negligible when compared to the cost of salaries and benefits for employees working on it. Considering they ha

I imagine the cost of the data, in this case, is negligible when compared to the cost of salaries and benefits for employees working on it. Considering they have the ability to pick from thousands of hospitals and universities (the latter being where they actually got the data) they probably have a fairly large amount of leverage to keep the costs low.