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In a group of 40 high school athletes (height: 166.37 to 189.57 cm, average, 174.40 cm; neck circumference: 35.56 to 41.91 cm, average, 39.12 cm), the neck motions were studied in flexion and extension, clinically, radiographically, and cineoradiographically. Flexion ranged from 34 to 84 degrees (average 72 degrees) and extension from 21 to 64 degrees(More)
OBJECTIVE To evaluate a newly developed laser-based imaging technique for the study of soft tissue changes and acute inflammatory processes of the proximal interphalangeal (PIP) joints in patients with rheumatoid arthritis (RA). METHODS A novel imaging device was developed which allows the transillumination of PIP joints using laser light in the(More)
We describe a classification system for a novel imaging method for arthritic finger joints. The basis of this system is a laser imaging technique which is sensitive to the optical characteristics of finger joint tissue. From the laser images acquired at baseline and follow-up, finger joints can automatically be classified according to whether the(More)
Existing research on information privacy has mostly relied on the privacy calculus model which views privacy-related decision-making as a rational process where individuals weigh the anticipated risks of disclosing personal data against the potential benefits. However, scholars have recently challenged two basic propositions of the privacy calculus model.(More)
Although powered wheelchairs provide a well established solution for severely impaired persons they do not cover all needs regarding mobility of people with impairment. In the course of the EC funded research project MOVEMENT a novel approach for a highly adaptable and modular mobility enhancement system is targeted to cover additional user needs. A system(More)
The fact that users struggle to keep up with all their (textual) passwords is no secret. Thus, one could argue that the textual password needs to be replaced. One alternative is graphical authentication. A wide range of graphical mechanisms have been proposed in the research literature. Yet, the industry has not embraced these alternatives. We use nowadays(More)
In this work, we propose an e-Business architecture that takes into account the specific needs of small and medium-sized enterprises (SMEs) and present a model-driven, highly flexible and collaborative approach that fosters cross-organizational interoperability. The specifications defined by the standardization body UN/CEFACT (e.g. UN/CEFACT Modeling(More)