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klaas wardenaar
klaas wardenaar
Senior researcher at University Medical Center Groningen
Geverifieerd e-mailadres voor umcg.nl - Homepage
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Testing a machine-learning algorithm to predict the persistence and severity of major depressive disorder from baseline self-reports
RC Kessler, HM van Loo, KJ Wardenaar, RM Bossarte, LA Brenner, T Cai, ...
Molecular psychiatry 21 (10), 1366-1371, 2016
2062016
Development and validation of a 30-item short adaptation of the Mood and Anxiety Symptoms Questionnaire (MASQ)
KJ Wardenaar, T van Veen, EJ Giltay, E de Beurs, BWJH Penninx, ...
Psychiatry research 179 (1), 101-106, 2010
1812010
Exploring the underlying structure of mental disorders: cross-diagnostic differences and similarities from a network perspective using both a top-down and a bottom-up approach
JTW Wigman, J Van Os, D Borsboom, KJ Wardenaar, S Epskamp, ...
Psychological medicine 45 (11), 2375-2387, 2015
1762015
The cross-national epidemiology of specific phobia in the World Mental Health Surveys
KJ Wardenaar, CCW Lim, AO Al-Hamzawi, J Alonso, LH Andrade, ...
Psychological medicine 47 (10), 1744-1760, 2017
1662017
Using patient self-reports to study heterogeneity of treatment effects in major depressive disorder
RC Kessler, HM van Loo, KJ Wardenaar, RM Bossarte, LA Brenner, ...
Epidemiology and psychiatric sciences 26 (1), 22-36, 2017
1242017
Dimensions of depression and anxiety and the hypothalamo-pituitary-adrenal axis
KJ Wardenaar, SA Vreeburg, T van Veen, EJ Giltay, G Veen, ...
Biological psychiatry 69 (4), 366-373, 2011
1192011
HowNutsAreTheDutch (HoeGekIsNL): A crowdsourcing study of mental symptoms and strengths
LVD Krieke, BF Jeronimus, FJ Blaauw, RBK Wanders, AC Emerencia, ...
International journal of methods in psychiatric research 25 (2), 123-144, 2016
1072016
Data-driven biological subtypes of depression: systematic review of biological approaches to depression subtyping
L Beijers, KJ Wardenaar, HM van Loo, RA Schoevers
Molecular psychiatry 24 (6), 888-900, 2019
1052019
Are childhood and adult life adversities differentially associated with specific symptom dimensions of depression and anxiety? Testing the tripartite model
T Van Veen, KJ Wardenaar, IVE Carlier, P Spinhoven, B Penninx, ...
Journal of affective disorders 146 (2), 238-245, 2013
992013
The structure and dimensionality of the Inventory of Depressive Symptomatology Self Report (IDS-SR) in patients with depressive disorders and healthy controls
KJ Wardenaar, T van Veen, EJ Giltay, M den Hollander-Gijsman, ...
Journal of Affective Disorders 125 (1-3), 146-154, 2010
982010
Diagnostic heterogeneity in psychiatry: towards an empirical solution
KJ Wardenaar, P de Jonge
BMC medicine 11 (1), 1-3, 2013
912013
Symptom dimensions of depression and anxiety and the metabolic syndrome
FS Luppino, AKB van Reedt Dortland, KJ Wardenaar, PF Bouvy, EJ Giltay, ...
Psychosomatic medicine 73 (3), 257-264, 2011
752011
Major depressive disorder subtypes to predict long‐term course
HM van Loo, T Cai, MJ Gruber, J Li, P de Jonge, M Petukhova, S Rose, ...
Depression and anxiety 31 (9), 765-777, 2014
692014
The identification of symptom-based subtypes of depression: A nationally representative cohort study
M Ten Have, F Lamers, K Wardenaar, A Beekman, P de Jonge, ...
Journal of affective disorders 190, 395-406, 2016
672016
Inflammatory markers and treatment outcome in treatment resistant depression: a systematic review
C Yang, KJ Wardenaar, FJ Bosker, J Li, RA Schoevers
Journal of Affective Disorders 257, 640-649, 2019
602019
Utility of the Brief Symptom Inventory (BSI) in psychiatric outpatients with intellectual disabilities
J Wieland, KJ Wardenaar, E Fontein, FG Zitman
Journal of Intellectual Disability Research 56 (9), 843-853, 2012
602012
Major depressive disorder as a nonlinear dynamic system: bimodality in the frequency distribution of depressive symptoms over time
B Hosenfeld, EH Bos, KJ Wardenaar, HJ Conradi, HLJ van der Maas, ...
Bmc psychiatry 15 (1), 1-9, 2015
582015
Development and validation of the 48-item Symptom Questionnaire (SQ-48) in patients with depressive, anxiety and somatoform disorders
I Carlier, Y Schulte-Van Maaren, K Wardenaar, E Giltay, M Van Noorden, ...
Psychiatry research 200 (2-3), 904-910, 2012
542012
Symptom dimensions as predictors of the two-year course of depressive and anxiety disorders
KJ Wardenaar, EJ Giltay, T van Veen, FG Zitman, BWJH Penninx
Journal of affective disorders 136 (3), 1198-1203, 2012
512012
The subscale structure of the Inventory of Depressive Symptomatology Self Report (IDS-SR) in older persons
JM Hegeman, KJ Wardenaar, HC Comijs, MWM de Waal, RM Kok, ...
Journal of Psychiatric Research 46 (10), 1383-1388, 2012
492012
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Artikelen 1–20