Cited 6 times since 2011 (0.4 per year) source: EuropePMC Psychotherapy and psychosomatics, Volume 80, Issue 5, 30 5 2011, Pages 313-315 Treating chronic symptoms of depression in the virtual clinic: findings on chronicity of depression in patients treated with internet-based computerized cognitive behaviour therapy for depression. Wiersma JE, Titov N, Van Schaik DJ, Van Oppen P, Beekman AT, Cuijpers P, Andrews GA