Johannes Siebert

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BACKGROUND The assessment of the appropriate level of development in children belongs to the standard duties of physicians in the public health system. Due to a steady increase of dementia in Germany the assessment of cognitive abilities of the elderly is becoming more and more the focus of future activities. Such an assessment of cognitive functioning(More)
2 " If you know the enemy and know yourself you need not fear the results of a hundred battles " Sun Tzu, Chinese philosopher and military strategist, around 500 BC. " What precisely are we contesting, and what fuels the enemy's power? " Abstract This study addressed three questions: 1. What are the objectives of the leaders of ISIL? 2. What are the(More)
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