Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KONDO N,General condition of hikikomori (prolonged social withdrawal) in Japan : Psychiatric diagnosis and outcome in mental health welfare centres,Int J Soc Psychiatry,,,2012,59,,79-86,https://cir.nii.ac.jp/crid/1570291224341270400,