Publications 2021

Pereira MP, Zeidler C, Wallengren J, Halvorsen JA, Weisshaar E, Garcovich S, Misery L, Brenaut E, Savk E, Potekaev N, Lvov A, Bobko S, Szepietowski JC, Reich A, Bozek A, Legat FJ, Metz M, Streit M, Serra-Baldrich E, Goncalo M, Storck M, Nau T, Hoffmann V, Steinke S, Greiwe I et al. (2021)
Chronic Nodular Prurigo: A European Cross-sectional Study of Patient Perspectives on Therapeutic Goals and Satisfaction
Acta Derm.-Venereol., 101, adv000403
DOI 10.2340/00015555-3726

Publications 2020

Altunay IK, Ozkur E, Dalgard FJ, Gieler U, Tomas-Aragones L, Lien L, Poot F, Jemec GBE, Misery L, Szabo C, Linder D, Sampogna F, Evers AWM, Halvorsen JA, Balieva F, Szepietowski J, Romanov D, Marron SE, Finlay AY, Salek SS, Kupfer J (2020)
Psychosocial Aspects of Adult Acne: Data from 13 European Countries
Acta Derm.-Venereol., 100 (2), adv00051
DOI 10.2340/00015555-3409

Dalgard FJ, Svensson A, Halvorsen JA, Gieler U, Schut C, Tomas-Aragones L, Lien L, Poot F, Jemec GBE, Misery L, Szabo C, Linder D, Sampogna F, Spillekom-van Koulil S, Balieva F, Szepietowski JC, Lvov A, Marron SE, Altunay IK, Finlay AY, Salek S, Kupfer J (2020)
Itch and Mental Health in Dermatological Patients across Europe: A Cross-Sectional Study in 13 Countries
J. Invest. Dermatol., 140 (3), 568-573
DOI 10.1016/j.jid.2019.05.034

Sampogna F, Abeni D, Gieler U, Tomas-Aragones L, Lien L, Poot F, Jemec GBB, Szab C, Linder D, Van Middendorp H, Halvorsen JA, Balieva F, Szepietowski JC, Romanov DV, Marron SE, Altunay IK, Finlay AY, Salek SS, Kupfer J, Misery L, Dalgard FJ (2020)
Exploring the EQ-5D Dimension of Pain/Discomfort in Dermatology Outpatients from a Multicentre Study in 13 European Countries
Acta Derm.-Venereol., 100, adv00120
DOI 10.2340/00015555-3477

Publications 2019

Schut C, Dalgard FJ, Halvorsen JA, Gieler U, Lien L, Tomas Aragones L, Poot F, Jemec GBE, Misery L, Kemeny L, Sampogna F, Van Middendorp H, Balieva F, Linder D, Szepietowski JC, Lvov A, Marron SE, Altunay IK, Finlay AY, Salek S, Kupfer J (2019)
Occurrence, Chronicity and Intensity of Itch in a Clinical Consecutive Sample of Patients with Skin Diseases: A Multi-centre Study in 13 European Countries
Acta Derm.-Venereol., 99 (2), 146-151
DOI 10.2340/00015555-3040

Publications 2018

Balieva FN, Finlay AY, Kupfer J, Aragones LT, Lien L, Gieler U, Poot F, Jemec GBE, Misery L, Kemeny L, Sampogna F, Van Middendorp H, Halvorsen JA, Ternowitz T, Szepietowski JC, Potekaev N, Marron SE, Altunay IK, Salek SS, Dalgard FJ (2018)
The Role of Therapy in Impairing Quality of Life in Dermatological Patients: A Multinational Study
Acta Derm.-Venereol., 98 (6), 563-569
DOI 10.2340/00015555-2918

Marron SE, Tomas-Aragones L, Navarro-Lopez J, Gieler U, Kupfer J, Dalgard FJ, Lien L, Finlay AY, Poot F, Linder D, Szepietowski JC, Misery L, Jemec GBE, Romanov D, Sampogna F, Szabo C, Altunay IK, Spillekom-van Koulil S, Balieva F, Ali FM, Halvorsen JA, Marijuan PC (2018)
The psychosocial burden of hand eczema: Data from a European dermatological multicentre study
Contact Dermatitis, 78 (6), 406-412
DOI 10.1111/cod.12973

Mohn CH, Blix HS, Halvorsen JA, Nafstad P, Valberg M, Lagerlov P (2018)
Incidence Trends of Atopic Dermatitis in Infancy and Early Childhood in a Nationwide Prescription Registry Study in Norway
JAMA Netw. Open, 1 (7), e184145
DOI 10.1001/jamanetworkopen.2018.4145

Publications 2017

Eskeland S, Halvorsen JA, Tanum L (2017)
Antidepressants have Anti-inflammatory Effects that may be Relevant to Dermatology: A Systematic Review
Acta Derm.-Venereol., 97 (8), 897-905
DOI 10.2340/00015555-2702

Lesner K, Reich A, Szepietowski JC, Dalgard FJ, Gieler U, Tomas-Aragones L, Lien L, Poot F, Jemec GB, Misery L, Szabo C, Linder D, Sampogna F, Evers AWM, Halvorsen JA, Balieva F, Lvov A, Marron SE, Altunay IK, Finlay AY, Salek SS, Kupfer J (2017)
Determinants of Psychosocial Health in Psoriatic Patients: A Multinational Study
Acta Derm.-Venereol., 97 (10), 1182-1188
DOI 10.2340/00015555-2760

Sampogna F, Abeni D, Gieler U, Tomas-Aragones L, Lien L, Titeca G, Jemec GBE, Misery L, Szabo C, Linder D, Evers AWM, Halvorsen JA, Balieva F, Szepietowski JC, Romanov DV, Marron SE, Altunay IK, Finlay AY, Salek SS, Kupfer J, Dalgard FJ (2017)
Impairment of Sexual Life in 3,485 Dermatological Outpatients From a Multicentre Study in 13 European Countries
Acta Derm.-Venereol., 97 (4), 478-482
DOI 10.2340/00015555-2561

Szabo C, Altmayer A, Lien L, Poot F, Gieler U, Tomas-Aragones L, Kupfer J, Jemec GBE, Misery L, Linder D, Sampogna F, Van Middendorp H, Halvorsen JA, Balieva F, Szepietowski JC, Romanov D, Marron SE, Altunay IK, Finlay AY, Salek SS, Dalgard F (2017)
Attachment Styles of Dermatological Patients in Europe: A Multi-centre Study in 13 Countries
Acta Derm.-Venereol., 97 (7), 813-818
DOI 10.2340/00015555-2619

Publications 2016

Balieva F, Lien L, Kupfer J, Halvorsen JA, Dalgard F (2016)
Are Common Skin Diseases among Norwegian Dermatological Outpatients Associated with Psychological Problems Compared with Controls? An Observational Study
Acta Derm.-Venereol., 96 (2), 227-231
DOI 10.2340/00015555-2200

Rizvi SMH, Halvorsen JA, Helsing P (2016)
An unusual sports injury
Tidsskr. Nor. Laegeforen., 136 (21), 1814
DOI 10.4045/tidsskr.16.0112

Publications 2015

Dalgard FJ, Gieler U, Tomas-Aragones L, Lien L, Poot F, Jemec GBE, Misery L, Szabo C, Linder D, Sampogna F, Evers AWM, Halvorsen JA, Balieva F, Szepietowski J, Romanov D, Marron SE, Altunay IK, Finlay AY, Salek SS, Kupfer J (2015)
The Psychological Burden of Skin Diseases: A Cross-Sectional Multicenter Study among Dermatological Out-Patients in 13 European Countries
J. Invest. Dermatol., 135 (4), 984-991
DOI 10.1038/jid.2014.530

Halvorsen JA, Orstavik K (2015)
A woman in her 60s with itching arms
Tidsskr. Nor. Laegeforen., 135 (16), 1459-1461

Halvorsen JA, Orstavik K (2015)
A woman in her 60s with itching arms Reply
Tidsskr. Nor. Laegeforen., 135 (20), 1816
DOI 10.4045/tidsskr.15.1077

Halvorsen JA, Aasebo W (2015)
Oral Tacrolimus Treatment of Pruritus in Prurigo Nodularis
Acta Derm.-Venereol., 95 (7), 866-867
DOI 10.2340/00015555-2107

Zeratsion H, Bjertness CB, Bjertness E, Dalsklev M, Haavet OR, Halvorsen JA, Lien L, Claussen B (2015)
The Influence of Parental Divorce on Educational Ambitions of 18/19 Year-Old Adolescents from Oslo, Norway
J. Child Fam. Stud., 24 (10), 2865-2873
DOI 10.1007/s10826-014-0090-6

Publications 2014

Halvorsen JA, Lien L, Dalgard F, Bjertness E, Stern RS (2014)
Suicidal Ideation, Mental Health Problems, and Social Function in Adolescents with Eczema: A Population-Based Study
J. Invest. Dermatol., 134 (7), 1847-1854
DOI 10.1038/jid.2014.70

Publications 2013

Zeratsion H, Dalsklev M, Bjertness E, Lien L, Haavet OR, Halvorsen JA, Bjertness CB, Claussen B (2013)
Parental divorce in late adolescence does not seem to increase mental health problems: a population study from Norway
BMC Public Health, 13, 413
DOI 10.1186/1471-2458-13-413

Publications 2012

Halvorsen JA, Dalgard F, Thoresen M, Bjertness E, Lien L (2012)
Itch and Pain in Adolescents are Associated with Suicidal Ideation: A Population-based Cross-sectional Study
Acta Derm.-Venereol., 92 (5), 543-546
DOI 10.2340/00015555-1251

Halvorsen JA, Vleugels RA, Bjertness E, Lien L (2012)
A Population-Based Study of Acne and Body Mass Index in Adolescents
Arch. Dermatol., 148 (1), 131-132
DOI 10.1001/archderm.148.1.131

Lien L, Halvorsen JA, Haavet OR, Dalgard F (2012)
The relation of early experienced negative life events and current itch. A longitudinal study among adolescents in Oslo, Norway
J. Psychosomat. Res., 72 (3), 226-229
DOI 10.1016/j.jpsychores.2011.12.001

Publications 2011

Halvorsen JA (2011)
Acne and psychosocial problems: cross-sectional epidemiological studies among adolescents
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 1172, 1 b. (flere pag.)
BIBSYS 114193029, ISBN 978-82-8264-163-0

Halvorsen JA, Stern RS, Dalgard F, Thoresen M, Bjertness E, Lien L (2011)
Suicidal Ideation, Mental Health Problems, and Social Impairment Are Increased in Adolescents with Acne: A Population-Based Study
J. Invest. Dermatol., 131 (2), 363-370
DOI 10.1038/jid.2010.264

Publications 2009

Halvorsen JA, Dalgard F, Thoresen M, Bjertness E, Lien L (2009)
Itch and Mental Distress: A Cross-Sectional Study among Late Adolescents
Acta Derm.-Venereol., 89 (1), 39-44
DOI 10.2340/00015555-0554

Halvorsen JA, Dalgard F, Thoresen M, Bjertness E, Lien L (2009)
Is the association between acne and mental distress influenced by diet? Results from a cross-sectional population study among 3775 late adolescents in Oslo, Norway
BMC Public Health, 9, 340
DOI 10.1186/1471-2458-9-340

Publications 2008

Halvorsen JA, Olesen AB, Thoresen M, Holm JO, Bjertness E, Dalgard F (2008)
Comparison of Self-reported Skin Complaints with Objective Skin Signs Among Adolescents
Acta Derm.-Venereol., 88 (6), 573-577
DOI 10.2340/00015555-0505

Publications 2006

Halvorsen JA, Brevig T, Aas T, Skar AG, Slevolden EM, Moi H (2006)
Genital ulcers as initial manifestation of Epstein-Barr virus infection: Two new cases and a review of the literature
Acta Derm.-Venereol., 86 (5), 439-442
DOI 10.2340/00015555-0140