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Letter to the Editor: In reply to the correspondence of Johannes Rentzsch, Kristin Koller and Golo Kronenberg

  • T. C. Kraan (a1), E. Velthorst (a1) (a2), L. de Haan (a1) and M. van der Gaag (a3) (a4)
  • In response to commentaries on:

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Author for correspondence: T. C. Kraan, Department of Psychiatry, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands. (Email: t.kraan@parnassia.nl)

References

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Auther, AM, McLaughlin, D, Carrión, RE, Nagachandran, P, Correll, CU, Cornblatt, BA (2012). Prospective study of cannabis use in adolescents at clinical high risk for psychosis: impact on conversion to psychosis and functional outcome. Psychological Medicine 42, 24852497.
Buchy, L, Perkins, D, Woods, SW, Liu, L, Addington, J (2014). Impact of substance use on conversion to psychosis in youth at clinical high risk of psychosis. Schizophrenia Research 156, 277280.
Kraan, T, Velthorst, E, Koenders, L, Zwaart, K, Ising, HK, van den Berg, D, de Haan, L, van der Gaag, M (2016). Cannabis use and transition to psychosis in individuals at ultra-high risk: review and meta-analysis. Psychological Medicine 46, 673681.
Orvaschel, H, Puig-Antich, J (1987). Schedule for Affective Disorder and Schizophrenia for School-age Children: Epidemiologic Version: Kiddie-SADS-E (K-SADS-E). Medical College of Pennsylvania: Philadelphia, PA.
Phillips, LJ, Curry, C, Yung, AR, Yuen, HP, Adlard, S, McGorry, PD (2002). Cannabis use is not associated with the development of psychosis in an ‘ultra'high-risk group. Australian and New Zealand Journal of Psychiatry 36, 800806.
Rentzsch, J, Koller, K, Kronenberg, G (2016). Disentangling cause and effect in the relationship between cannabis and psychosis: are we there yet? Psychological Medicine. Published online 25 July 2016. doi:http://dx.doi.org/10.1017/S0033291716001434.
Valmaggia, LR, Day, FL, Jones, C, Bissoli, S, Pugh, C, Hall, D, Bhattacharyya, S, Howes, O, Stone, J, Fusar-Poli, P, Byrne, M, McGuire, PK (2014). Cannabis use and transition to psychosis in people at ultra-high risk. Psychological Medicine 44, 25032512.

Letter to the Editor: In reply to the correspondence of Johannes Rentzsch, Kristin Koller and Golo Kronenberg

  • T. C. Kraan (a1), E. Velthorst (a1) (a2), L. de Haan (a1) and M. van der Gaag (a3) (a4)
  • In response to commentaries on:

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