Fig. 4From: Nation-wide epidemiological study of Japanese patients with rare viral myelopathy using novel registration system (HAM-net)Population map for HAM-net subjects. Map shows the prefectures occupied by HAM/TSP patients enrolled in this study, color-coded according to the number of subjects (n = 383). Prefectures that are well-known reference points, such as Tokyo, or hot-spots for HAM-net enrollees, such as Kagoshima, are labeled. Subjects resided in all but six of the 47 prefectures in JapanBack to article page