Article by Kato et al. published online in
December 2016 in Psychiatry and Clinical Neurosciences
Open access: http://onlinelibrary.wiley.com/doi/10.1111/pcn.12481/full
PS: “To date, there has been no evidence showing a correlation between the use of personal computers (PCs) and/or information technology (IT) and the occurrence of hikikomori, at least in Japan.”
Nicolas Tajan 