Concurrently with the company-based development of AID systems occurred, a group of PwD initiated the development of open-source automated insulin delivery (OS-AID) systems, using the hashtag #WeAreNotWaiting.13 Even though commercial AID systems are available, OS-AID systems continues to be of interest, as PwD still use them, and not all diagnosed with T1DM in Denmark are prescribed the new commercial AID systems. This evidence concerns the gene INS and type 1 diabetes mellitus.