Ludovicus Koren

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BACKGROUND AND OBJECTIVE Measurement of guanine in dust proved a good assessment of mite allergen exposure. METHODS Exposure to mite allergens may lead to atopic inflictions. In a semi-natural test system the development of Dermatophagoides pteronyssinus (Trouessart) and Glycyphagus domesticus (De Geer), and the presence of their guanine excretion, was(More)
Indoor air quality (IAQ) influences the health of humans, the young and the old being generally more susceptible. In this study we examined how supply and demand of indoor air quality in dwellings are matched. On the supply-side, we evaluated ventilation systems, including natural ventilation, balanced ventilation, and adaptive systems. Two major(More)
Revisions of the International Classification of Diseases (ICD) can lead to biases in cause-specific mortality levels and trends. We propose a novel time series approach to bridge ICD coding changes which provides a consistent solution across causes of death. Using a state space model with interventions, we performed time series analysis to(More)
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