https://article.auone.jp/detail/1/2/2/16_2_r_20180130_1517294072183189

https://headlines.yahoo.co.jp/hl?a=20180201-00000022-khks-soci

https://twitter.com/yamanaka_osaka/status/958381675104239616

https://www.nikkei.com/article/DGXMZO26434390R00C18A2CR8000/

https://headlines.yahoo.co.jp/hl?a=20180201-00000109-mai-soci