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. 2020 May 16;47(4):687–691. doi: 10.1016/j.anl.2020.05.006

Fig. 1.

Fig. 1

The regional distribution in Japan for the surveys. The number in each region indicates the amount of people who responded to the surveys. n = 38, Hokkaido area, 2; Tohoku area, 3; Kanto area, 15; Chubu area, 5; Kinki area, 8; Chugoku area, 2; Shikoku area, 2; Kyushu area, 1.