Claim: The Nagashima Aiseien Sanatorium(National Sanatorium Nagashima Aiseien) is a leprosy treatment sanatorium founded in 1930 in Osaka, Japan that takes care of a decreasing number of patients from year 2003(488) to 2009(336)
Evidence: The Nagashima Aiseien Sanatorium (国立療養所長島愛生園), or the National Sanatorium Nagashima Aiseien, is a sanatorium on the island of Nagashima in Setouchi, Okayama, Japan founded in 1930 for the treatment of leprosy.