Rare Disease Month - Day 28

It's February.  That means it is time to focus on Rare Diseases.  You can read more about what I wrote about the past 2 years by clicking on the links to the right.

This year, I am focusing on different people with Niemann-Pick Disease, one of the 7000+ rare diseases, and the one that took the life of my only son.

Today is Pieter, a teenager in the Netherlands.