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Practical matters How to find us dr. K.J. (Klaas) Wardenaar

University Medical Center Groningen

dr. K.J. (Klaas) Wardenaar

Senior researcher

Profielfoto van dr. K.J. (Klaas) Wardenaar

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Faculty of Medical Sciences

Telephone:

E-mail:

k.j.wardenaar umcg.nl

ORCID Research Portal

Publications

Concentration gradients of monoamines, their precursors and metabolites in serial lumbar cerebrospinal fluid of neurologically healthy patients determined with a novel LC–MS/MS technique

Tigchelaar, C. , Muller, W. D. , Atmosoerodjo, S. D. , Wardenaar, K. J. , Kema, I. P. , Absalom, A. R. & van Faassen, M. , 13-Feb-2023 , In: Fluids and Barriers of the CNS. 20 , 1 , 12 p. , 13.

Research output: Contribution to journal › Article › Academic › peer-review

Serum free thiols in recently diagnosed patients with schizophrenia spectrum disorder: a potentially useful biomarker of oxidative stress

Borkent, J. , Ioannou, M. , Folkertsma, T. , Wardenaar, K. J. , Haarman, B. C. M. , van Goor, H. , Sommer, I. E. C. & Bourgonje, A. R. , 26-Jan-2023 , (E-pub ahead of print) In: Psychiatry Research. 115075.

Research output: Contribution to journal › Article › Academic › peer-review

A Latent Profile Analysis of Psychotic Experiences, Non-psychotic Symptoms, Suicidal Ideation and Underlying Mechanisms in a Sample of Adolescents From the General Population

Langer, Á. I. , Wardenaar, K. , Wigman, J. T. W. , Ulloa, J. L. & Núñez, D. , 27-Jun-2022 , In: Frontiers in Psychiatry. 13 , 9 p. , 926556.

Research output: Contribution to journal › Article › Academic › peer-review

Corrigendum to "Identifying mismatch and match between clinical needs and mental healthcare use trajectories in people with anxiety and depression: Results of a longitudinal study (vol 297, pg 657, 2022)

Mudiyanselage, K. W. W. , Bastiaansen, J. A. , Stewart, R. , Wardenaar, K. J. , Penninx, B. W. J. H. , Schoevers, R. A. , van Hemerte, A. M. & Jörg, F. , 15-Feb-2022 , In: Journal of Affective Disorders. 299 , p. 715 1 p.

Research output: Contribution to journal › Erratum

Early-Life Environmental and Child Factors Associated with the Presence of Disruptive Behaviors in Seven-Year-Old Children with Autistic Traits in the Avon Longitudinal Study of Parents and Children

Breider, S. , Hoekstra, P. J. , Wardenaar, K. J. , Van Den Hoofdakker, B. J. , Dietrich, A. & De Bildt, A. , Jun-2022 , In: Journal of Autism and Developmental Disorders. 52 , p. 2747–2761 15 p.

Research output: Contribution to journal › Article › Academic › peer-review

Female sex and femininity independently associate with common somatic symptom trajectories

Ballering, A. V. , Wardenaar, K. J. , Olde Hartman, T. C. & Rosmalen, J. G. M. , 2022 , In: Psychological Medicine. 52 , 11 , p. 2144–2154. 11 p.

Research output: Contribution to journal › Article › Academic › peer-review

Identifying mismatch and match between clinical needs and mental healthcare use trajectories in people with anxiety and depression: Results of a longitudinal study

Wijekoon Mudiyanselage, K. W. , Bastiaansen, J. A. , Stewart, R. , Wardenaar, K. J. , Penninx, B. W. J. H. , Schoevers, R. A. , van Hemert, A. M. & Jörg, F. , 15-Jan-2022 , In: Journal of Affective Disorders. 297 , p. 657-670 14 p.

Research output: Contribution to journal › Article › Academic › peer-review

Investigating data-driven biological subtypes of psychiatric disorders using specification-curve analysis

Beijers, L. , van Loo, H. M. , Romeijn, J-W. , Lamers, F. , Schoevers, R. A. & Wardenaar, K. J. , Apr-2022 , In: Psychological Medicine. 52 , 6 , p. 1089-1100 12 p.

Research output: Contribution to journal › Article › Academic › peer-review

Investigating Data-driven Biological Subtypes of Psychiatric Disorders Using Specification-Curve Analysis - ERRATUM

Beijers, L. , van Loo, H. M. , Romeijn, J-W. , Lamers, F. , Schoevers, R. A. & Wardenaar, K. J. , Apr-2022 , In: Psychological Medicine. 52 , 6 , p. 1200 1 p.

Research output: Contribution to journal › Erratum

Loneliness associates strongly with anxiety and depression during the COVID pandemic, especially in men and younger adults

Steen, O. D. , Ori, A. P. S. , Wardenaar, K. J. & van Loo, H. M. , 9-Jun-2022 , In: Scientific Reports. 12 , 1 , 11 p. , 9517.

Research output: Contribution to journal › Article › Academic › peer-review

All (106) publications

Press/media

Blog 'Genderverschillen in depressie'

Tineke Oldehinkel , Klaas Wardenaar & Frederike Jörg

04/03/2022

Press/Media: Public Engagement Activities › Professional

What we learned in 2018: The individual patient get's more attention

Bertus Jeronimus , Peter de Jonge , Elisabeth Bos, Evelien Snippe , Klaas Wardenaar , Marije aan het Rot , Johanna Wigman , Frank Blaauw , Armando Celino Emerencia & Maria Wichers

21/12/2018

Press/Media: Public Engagement Activities › Popular

All (2) press/media

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