Tinier at 2 weeks than at birth

After 3 nerve-wracking weeks in the NICU at our local hospital and another 2 at the large university across the state, they ruled out all the more common causes of watery, explosive diarrhea that had contributed to his almost 25% loss of his birth weight, and determined that Bo had MID. There are something like 60 known cases in the entire US and less than 200 in all of the EU.