Diseases of the brain, head & neck, spine 2012-2015 : diagnostic imaging and interventional techniques, 44th International Diagnostic Course in Davos (IDKID), Davos, March 25-30, 2012, including the Nuclear Medicine Satellite Course "Diamond", Davos, March 24-25, 2012, Pediatric Radiology Satellite Course "Kangaroo", Davos, March 24-25, 2012, Breast Imaging Satellite Course, Davos, March 24-25, 2012 and additional IDKD Courses 2012-2015 / J. Hodler, G.K. von Schulthess, Ch.L. Zollikofer, (eds)