Are Mental Health Effects of Internet Use Attributable to the Web-Based Content or Perceived Consequences of Usage? A Longitudinal Study of European Adolescents.
Sebastian HökbyGergo HadlaczkyJoakim WesterlundDanuta WassermanJudit BalazsArunas GermanaviciusNúria MachínGergely MeszarosMarco SarchiaponeAiri VärnikPeeter VarnikMichael WesterlundVladimir CarliPublished in: JMIR mental health (2016)
International Standard Randomized Controlled Trial Number (ISRCTN): 65120704; http://www.isrctn.com/ISRCTN65120704?q=&filters=recruitmentCountry:Lithuania&sort=&offset= 5&totalResults=32&page=1&pageSize=10&searchType=basic-search (Archived by WebCite at http://www.webcitation/abcdefg).