User profiles for "author:L Kröger"

Leif Christian Kröger

- Verified email at rwth-aachen.de - Cited by 989

Lars Hedemann (geb. Kröger)

- Verified email at dlr.de - Cited by 583

Multidimensional perfectionism and poor sleep: A meta-analysis of bivariate associations

J Stricker, L Kröger, AF Johann, A Küskens… - Sleep health, 2023 - Elsevier
The link between perfectionism and poor sleep has been intensively debated, and previous
studies on perfectionism-sleep associations have yielded mixed results. Recent research …

Aggressive combination drug therapy in very early polyarticular juvenile idiopathic arthritis (ACUTE–JIA): a multicentre randomised open-label clinical trial

…, P Vähäsalo, M Tarkiainen, L Kröger… - Annals of the …, 2011 - ard.bmj.com
Objectives In juvenile idiopathic arthritis (JIA), the efficacy of very early disease-modifying
drug therapy, synthetic or biological, is not well known. Three alternative strategies were …

Development of bone mass and bone density of the spine and femoral neck—a prospective study of 65 children and adolescents

H Kröger, A Kotaniemi, L Kröger, E Alhava - Bone and mineral, 1993 - Elsevier
The bone mineral density (BMD, g/cm 2) of the lumbar spine (L2–L4) and femoral neck was
measured twice with a 1-year interval by dual energy X-ray absorptiometry (DEXA) in 65 …

Automated discovery of reaction pathways, rate constants, and transition states using reactive molecular dynamics simulations

M Döntgen, MD Przybylski-Freund… - Journal of chemical …, 2015 - ACS Publications
We provide a methodology for deducing quantitative reaction models from reactive
molecular dynamics simulations by identifying, quantifying, and evaluating elementary …

Total incidence and distribution of inflammatory joint diseases in a defined population: results from the Kuopio 2000 arthritis survey.

…, O Kaipiainen-Seppänen, L Kröger… - The Journal of …, 2003 - jrheum.org
OBJECTIVE: To study the incidence of inflammatory joint diseases in a defined population in
Finland. METHODS: We collected data for the year 2000 on a population of 87,000 …

Phenotypic variability and disparities in treatment and outcomes of childhood arthritis throughout the world: an observational cohort study

…, R Khubchandani, A Kondi, L Kröger… - The Lancet Child & …, 2019 - thelancet.com
Background To our knowledge, the characteristics and burden of childhood arthritis have
never been studied on a worldwide basis. We aimed to investigate, with a cross-sectional …

C-reactive protein in viral and bacterial respiratory infection in children

M Korppi, L Kröger - Scandinavian journal of infectious diseases, 1993 - Taylor & Francis
C-reactive protein (CRP) was studied in 209 children treated in hospital due to middle or
lower respiratory tract infection with serologically demonstrated viral or bacterial aetiology …

Does context matter? A comparative study modelling autonomous vehicle impact on travel behaviour for Germany and the USA

L Kröger, T Kuhnimhof, S Trommer - … research part A: policy and practice, 2019 - Elsevier
This paper, for the first time, presents comparable projections of travel behaviour impacts of
the introduction of autonomous vehicles (AVs) into the private car fleet for two countries …

Osteitis caused by bacille Calmette-Guérin vaccination: a retrospective analysis of 222 cases

L Kröger, M Korppi, E Brander, H Kröger… - Journal of Infectious …, 1995 - academic.oup.com
To evaluate the frequency, clinical features, and prognosis of patients with osteitis caused by
bacille Calmette-Guérin (BCG) vaccination, medical records from Finnish children based on …

Repeated exposure to antibiotics in infancy: a predisposing factor for juvenile idiopathic arthritis or a sign of this group's greater susceptibility to infections?

M Arvonen, LJ Virta, T Pokka, L Kröger… - The Journal of …, 2015 - jrheum.org
Objective. Previous exposure to antibiotics has been associated with the pathogenesis of
several autoimmune diseases. Our objective was to explore whether childhood exposure to …