User profiles for K. Kollia

Kostas Kollias

Google Research
Verified email at google.com
Cited by 479

First clinical study on ultra-high-field MR imaging in patients with multiple sclerosis: comparison of 1.5 T and 7T

K Kollia, S Maderwald, N Putzki… - American Journal …, 2009 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Higher magnetic field strengths and continuous improvement
of high-resolution imaging in multiple sclerosis (MS) are expected to provide unique in-…

Examining prescribed rest as treatment for adolescents who are slow to recover from concussion

RS Moser, P Schatz, M Glenn, KE Kollias, GL Iverson - Brain injury, 2015 - Taylor & Francis
Objective: Rest is a widely recommended treatment for concussion, but its utility is unclear
following the acute stage of recovery. This study examined the effects of 1-week of prescribed …

Natalizumab is effective as second line therapy in the treatment of relapsing remitting multiple sclerosis

N Putzki, K Kollia, S Woods, E Igwe… - European journal of …, 2009 - Wiley Online Library
Background: Natalizumab has been recommended for the treatment of patients with relapsing
remitting multiple sclerosis with insufficient response to interferon‐beta (IFN‐beta) or …

Association between intervertebral disc degeneration and the Oswestry Disability Index

…, TJ Vogl, K Kollias, K Kafchitsas… - Journal of back and …, 2017 - content.iospress.com
BACKGROUND: Low back pain and lumbar intervertebral disc degeneration (IDD) are
common findings. Valid data on correlation between clinical pain scores and grades of IDD are …

QoS and energy efficient resource allocation in uplink SC-FDMA systems

…, K Kollias, K Moessner - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In this paper, we present and evaluate the performance of a resource allocation algorithm to
enhance the Quality of Service (QoS) provision and energy efficiency of uplink Long Term …

Hypercalcemia due to resistant hyperparathyroidism in renal transplant patients treated with the calcimimetic agent cinacalcet.

T Apostolou, K Kollia, L Damianou, H Kaitsioti… - …, 2006 - journals.lww.com
… Theofanis Apostolou,1 Kyriaki Kollia,1 Loukas Damianou,1 Helen Kaitsioti,1 Vaja
Kochiev,1 Spiros Drakopoulos,2 Vassilios Vougas,2 Valsamakis Hadjiconstantinou.1Department …

When Are Two Lists Better than One?: Benefits and Harms in Joint Decision-making

K Donahue, S Gollapudi, K Kollias - … of the AAAI Conference on Artificial …, 2024 - ojs.aaai.org
… Here, we see that the expected accuracy at k = 2 is greater than the accuracy at k = 1,k =
5, again matching the results from Theorem 2 for the Mallows model. However, we again see …

Dynamic magnetic resonance imaging of the cervical spine using the NeuroSwing System

…, D Klassen, S Maderwald, V Böhner, K Kollia… - Spine, 2007 - journals.lww.com
Objective. Routine MR examinations of the cervical spine might be insufficient in the
diagnosis of a stenotic problem of the spinal canal, especially when symptoms only occur in a …

Long‐term study of patients with congenital pit of the optic nerve and persistent macular detachment

…, M Panopoulos, AK Kollia… - Acta …, 1992 - Wiley Online Library
During the period 1970–87 we evaluated the changes of the optic disc, peripapillary area,
detached macula and visual acuity in 16 cases with congenital pit of the optic nerve and …

Optimal cost-sharing in weighted congestion games

V Gkatzelis, K Kollias, T Roughgarden - Web and Internet Economics …, 2014 - Springer
… complete d-ary tree with k + 1 levels. The leaves of this tree are roots for complete (d − 1)-ary
trees with k + 1 levels, and so on until the final stage with unary trees with k + 1 levels. The …