They cannot be simply modelled on a computer. Researchers are still looking for close relatives of persons with type 1 diabetes, to participate in the study. The researchers have very specific questions to answer, and need to interview thousands of people to get the right test subjects. If you fit the criteria, and a free preliminary test finds you have the ICAs, the islet cell antibodies, in your blood, you might be one of them. Nine different diabetes centers, located in California, Colorado, Minnesota, Washington State, Florida, and Massachusetts, will gather data.
Participants living in other areas can have tests forwarded by their family physician.