Genetic Risk and Outcome of Psychosis (GROUP) Investigators

Alle GROUP publicaties:

Therese van Amelsvoortg, Agna A. Bartels-Velthuisa, Richard Bruggemana,c, Wiepke Cahnd,k, Lieuwe de Haanf,m, Rene S. Kahne,n ,Frederike Schirmbeckf,m, Claudia J.P. Simonsg,i, Jim van Osd,j


GROUP Genetica publicaties:
Dit zijn alle bovengenoemde GROUP auteurs en:

Behrooz Z. Alizadeha,b, Jurjen J. Luykxd,e,n, Bart P.F. Rutteng,  Ruud van Winkelg,h

GROUP-EUGEI publicaties:

Behrooz Z. Alizadeha,b, Therese van Amelsvoortg, Richard Bruggemana,c, Wiepke Cahnd,k, Lieuwe de Haanf,m, Bart P.F. Rutteng, Jurjen J. Luykxd,e,l,  Jim van Osd,j, Ruud van Winkelg,h

a University of Groningen, University Medical Center Groningen, University Center for Psychiatry, Rob Giel Research center, Groningen, The Netherlands;

b University Medical Center Groningen, Department of Epidemiology, Groningen, The Netherlands;

c University of Groningen, Department of Clinical and Developmental Neuropsychology, Groningen, The Netherlands;

d University Medical Center Utrecht, Department of Psychiatry, Brain Centre Rudolf Magnus, Utrecht University, Utrecht, The Netherlands;

e University Medical Center Utrecht, Department of Translational Neuroscience, Brain Center Rudolf Magnus, Utrecht, The Netherlands;

f Amsterdam UMC, University of Amsterdam, Department of Psychiatry, Amsterdam, The Netherlands;

g Maastricht University Medical Center, Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht, The Netherlands;

h KU Leuven, Department of Neuroscience, Research Group Psychiatry, Leuven, Belgium;

i GGzE Institute for Mental Health Care, Eindhoven, The Netherlands;

j King’s College London, King’s Health Partners, Department of Psychosis Studies, Institute of Psychiatry, London, United Kingdom;

k Altrecht, General Mental Health Care, Utrecht, The Netherlands;

GGNet Mental Health, Apeldoorn, The Netherlands;

m Arkin, Institute for Mental Health, Amsterdam, The Netherlands;

n Dept of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY



We are grateful for the generosity of time and effort by the patients, their families and healthy subjects. Furthermore we would like to thank all research personnel involved in the GROUP project, in particular: Joyce van Baaren, Erwin Veermans, Ger Driessen, Truda Driesen, Erna van ’t Hag

Please take care of the following when writing and submitting your manuscript!

“GROUP is the last author in publications that use data from all 4 sites.

The SC determines in consultation with the corresponding author who the co- authors are and in which order.

GROUP is co-author on publications that use data from 2 or 3 sites, GROUP investigators is a co-author. A changing composition of GROUP investigators is possible. GROUP researchers can choose not to be listed as a GROUP investigator on the manuscript, for example because no data from their site has been used for the manuscript or because the subject does not fit in someone’s expertise.”

The names of all GROUP investigators should be mentioned in a byline; the place to do this may depend on the journal’s requirements. Generally, footnotes are not accepted.

Also, be aware of uploading all GROUP investigators’ names during the submission process. Sometimes it is not possible to have a group name as an author (e.g, Acta), in which case all GROUP authors will have to be co-authors: if so, put them as in-between authors and not as the last ones.

Additional information: The byline of the article identifies who is directly responsible for the manuscript, and MEDLINE lists as authors whichever names appear on the byline. If the byline includes a group name, MEDLINE will list the names of individual group members who are authors or who are collaborators, sometimes called non-author contributors, if there is a note associated with the byline clearly stating that the individual names are elsewhere in the paper and whether those names are authors or collaborators. [GROUP-investigators belong to point 2.]

When you have questions about this or when you are encountering difficulties, please contact your site coordinator immediately:

Amsterdam: Frederike Schirmbeck,

Groningen: Agna Bartels,

Maastricht: Claudia Simons,

Utrecht: Joyce van Baaren,

Add-on studies

Add to author list: “For Genetic Risk and Outcome of Psychosis (GROUP) Investigators”.


The infrastructure for the GROUP study is funded through the Geestkracht programme of the Dutch Health Research Council (Zon-Mw, grant number 10-000-1001), and matching funds from participating pharmaceutical companies (Lundbeck, AstraZeneca, Eli Lilly, Janssen Cilag) and universities and mental health care organizations (Amsterdam: Academic Psychiatric Centre of the Academic Medical Center and the mental health institutions: GGZ Ingeest, Arkin, Dijk en Duin, GGZ Rivierduinen, Erasmus Medical Centre, GGZ Noord Holland Noord. Groningen: University Medical Center Groningen and the mental health institutions: Lentis, GGZ Friesland, GGZ Drenthe, Dimence, Mediant, GGNet Warnsveld, Yulius Dordrecht and Parnassia psycho-medical center The Hague. Maastricht: Maastricht University Medical Centre and the mental health institutions: GGzE, GGZ Breburg, GGZ Oost-Brabant, Vincent van Gogh voor Geestelijke Gezondheid, Mondriaan, Virenze riagg, Zuyderland GGZ, MET ggz, Universitair Centrum Sint-Jozef Kortenberg, CAPRI University of Antwerp, PC Ziekeren Sint-Truiden, PZ Sancta Maria Sint-Truiden, GGZ Overpelt, OPZ Rekem. Utrecht: University Medical Center Utrecht and the mental health institutions Altrecht, GGZ Centraal and Delta.)


Zie het Methode paper van GROUP:

Genetic Risk and Outcome of Psychosis (GROUP), a multi site longitudinal cohort study focused on gene–environment interaction: objectives, sample characteristics, recruitment and assessment methods
Author: Nikie Korver
International Journal of Methods in Psychiatric Research
Int. J. Methods Psychiatr. Res. (2012)
Published online in Wiley Online Library (
DOI: 10.1002/mpr.1352

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