Publications 2022

Skjælaaen K, Nesvold H, Brekke M, Sare M, Landaas ET, Mdala I, Olsen AO, Vallersnes OM (2022)
Sexually transmitted infections among patients attending a sexual assault centre: a cohort study from Oslo, Norway
BMJ Open, 12 (12), e064934
DOI 10.1136/bmjopen-2022-064934, PubMed 36456026

Publications 2021

Landaas ET, Storm ML, Tollånes MC, Barlinn R, Kran AB, Bragstad K, Christensen A, Andreassen T (2021)
Diagnostic performance of a SARS-CoV-2 rapid antigen test in a large, Norwegian cohort
J Clin Virol, 137, 104789
DOI 10.1016/j.jcv.2021.104789, PubMed 33736946

Landaas ET, Taxt AM, Lind A, Müller F (2021)
[The COVID-19 pandemic – experiences from a microbiology laboratory]
Tidsskr Nor Laegeforen, 141 (18)
DOI 10.4045/tidsskr.21.0643, PubMed 34911278

Lind A, Barlinn R, Landaas ET, Andresen LL, Jakobsen K, Fladeby C, Nilsen M, Bjørnstad PM, Sundaram AYM, Ribarska T, Müller F, Gilfillan GD, Holberg-Petersen M (2021)
Rapid SARS-CoV-2 variant monitoring using PCR confirmed by whole genome sequencing in a high-volume diagnostic laboratory
J Clin Virol, 141, 104906
DOI 10.1016/j.jcv.2021.104906, PubMed 34273860

Publications 2016

Grünewald L, Landaas ET, Geissler J, Weber H, Quast C, Röh S, Schartner C, Lesch KP, Romanos M, Kittel-Schneider S, Binder E, Reif A (2016)
Functional Impact of An ADHD-Associated DIRAS2 Promoter Polymorphism
Neuropsychopharmacology, 41 (13), 3025-3031
DOI 10.1038/npp.2016.113, PubMed 27364329

Landaas ET, Aarsland TI, Ulvik A, Halmøy A, Ueland PM, Haavik J (2016)
Vitamin levels in adults with ADHD
BJPsych Open, 2 (6), 377-384
DOI 10.1192/bjpo.bp.116.003491, PubMed 27990293

Publications 2015

Weber H, Kittel-Schneider S, Heupel J, Weißflog L, Kent L, Freudenberg F, Alttoa A, Post A, Herterich S, Haavik J, Halmøy A, Fasmer OB, Landaas ET, Johansson S, Cormand B, Ribasés M, Sánchez-Mora C, Ramos-Quiroga JA, Franke B, Lesch KP, Reif A (2015)
On the role of NOS1 ex1f-VNTR in ADHD-allelic, subgroup, and meta-analysis
Am J Med Genet B Neuropsychiatr Genet, 168 (6), 445-458
DOI 10.1002/ajmg.b.32326, PubMed 26086921

Aarsland TI, Landaas ET, Hegvik TA, Ulvik A, Halmøy A, Ueland PM, Haavik J (2015)
Serum concentrations of kynurenines in adult patients with attention-deficit hyperactivity disorder (ADHD): a case-control study
Behav Brain Funct, 11 (1), 36
DOI 10.1186/s12993-015-0080-x, PubMed 26542774

Publications 2012

Landaas ET, Halmøy A, Oedegaard KJ, Fasmer OB, Haavik J (2012)
The impact of cyclothymic temperament in adult ADHD
J Affect Disord, 142 (1-3), 241-7
DOI 10.1016/j.jad.2012.04.034, PubMed 22840630

Publications 2011

Landaas ET, Johansson S, Halmøy A, Oedegaard KJ, Fasmer OB, Haavik J (2011)
Bipolar disorder risk alleles in adult ADHD patients
Genes Brain Behav, 10 (4), 418-23
DOI 10.1111/j.1601-183X.2011.00680.x, PubMed 21276201

Sánchez-Mora C, Ribasés M, Casas M, Bayés M, Bosch R, Fernàndez-Castillo N, Brunso L, Jacobsen KK, Landaas ET, Lundervold AJ, Gross-Lesch S, Kreiker S, Jacob CP, Lesch KP, Buitelaar JK, Hoogman M, Kiemeney LA, Kooij JJ, Mick E, Asherson P, Faraone SV, Franke B, Reif A, Johansson S, Haavik J et al. (2011)
Exploring DRD4 and its interaction with SLC6A3 as possible risk factors for adult ADHD: a meta-analysis in four European populations
Am J Med Genet B Neuropsychiatr Genet, 156B (5), 600-12
DOI 10.1002/ajmg.b.31202, PubMed 21595008

Publications 2010

Johansson S, Halmøy A, Mavroconstanti T, Jacobsen KK, Landaas ET, Reif A, Jacob C, Boreatti-Hümmer A, Kreiker S, Lesch KP, Kan CC, Kooij JJ, Kiemeney LA, Buitelaar JK, Franke B, Ribasés M, Bosch R, Bayés M, Casas M, Ramos-Quiroga JA, Cormand B, Knappskog P, Haavik J (2010)
Common variants in the TPH1 and TPH2 regions are not associated with persistent ADHD in a combined sample of 1,636 adult cases and 1,923 controls from four European populations
Am J Med Genet B Neuropsychiatr Genet, 153B (5), 1008-15
DOI 10.1002/ajmg.b.31067, PubMed 20213726

Landaas ET, Johansson S, Halmøy A, Oedegaard KJ, Fasmer OB, Haavik J (2010)
No association between the serotonin transporter gene polymorphism 5-HTTLPR and cyclothymic temperament as measured by TEMPS-A
J Affect Disord, 129 (1-3), 308-12
DOI 10.1016/j.jad.2010.08.028, PubMed 20880592

Landaas ET, Johansson S, Jacobsen KK, Ribasés M, Bosch R, Sánchez-Mora C, Jacob CP, Boreatti-Hümmer A, Kreiker S, Lesch KP, Kiemeney LA, Kooij JJ, Kan C, Buitelaar JK, Faraone SV, Halmøy A, Ramos-Quiroga JA, Cormand B, Reif A, Franke B, Mick E, Knappskog PM, Haavik J (2010)
An international multicenter association study of the serotonin transporter gene in persistent ADHD
Genes Brain Behav, 9 (5), 449-58
DOI 10.1111/j.1601-183X.2010.00567.x, PubMed 20113357

Publications 2009

Franke B, Vasquez AA, Johansson S, Hoogman M, Romanos J, Boreatti-Hümmer A, Heine M, Jacob CP, Lesch KP, Casas M, Ribasés M, Bosch R, Sánchez-Mora C, Gómez-Barros N, Fernàndez-Castillo N, Bayés M, Halmøy A, Halleland H, Landaas ET, Fasmer OB, Knappskog PM, Heister AJ, Kiemeney LA, Kooij JJ, Boonstra AM et al. (2009)
Multicenter analysis of the SLC6A3/DAT1 VNTR haplotype in persistent ADHD suggests differential involvement of the gene in childhood and persistent ADHD
Neuropsychopharmacology, 35 (3), 656-64
DOI 10.1038/npp.2009.170, PubMed 19890261

Publications 2008

Johansson S, Halleland H, Halmøy A, Jacobsen KK, Landaas ET, Dramsdahl M, Fasmer OB, Bergsholm P, Lundervold AJ, Gillberg C, Hugdahl K, Knappskog PM, Haavik J (2008)
Genetic analyses of dopamine related genes in adult ADHD patients suggest an association with the DRD5-microsatellite repeat, but not with DRD4 or SLC6A3 VNTRs
Am J Med Genet B Neuropsychiatr Genet, 147B (8), 1470-5
DOI 10.1002/ajmg.b.30662, PubMed 18081165