This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Kurtzke map of MS in Scandinavia.jpeg Kurtzke map of MS in Scandinavia showing the Fennoscandian MS focus The work of JF Kurtzke is in the public domain as the authot specifically stated in the journal Neuroepidemiology where Kurtzke indicates These works were based on his detailed and analysis of the clinical records of patients