The data collection and data organization are completed. There are also first existing versions of biological markers for ADHD and ADHD subtypes. These are tested in a small circle and are very successful in practice. The reliability of the markers is currently being researched but you can aready say today that the markers are easy to handle and have a high value in terms of clarity in the diagnosis at the same time. Thus, the subject area is one step futher into the direction of adequate evidence.