Musculoskeletal diseases 2009-2012 :diagnostic imaging, 41th [i.e. 41st] International Diagnostic Course in Davos (IDKD), Davos, March 29-April 3, 2009, including the Nuclear Medicine Satellite Course "Diamond", Davos, March 27-29, 2009, Pediatric Satellite Course "Kangaroo", Davos March 28-29, 2009, Second IDKD in Anavyssos (Greece), October 4-9, 2009, presented by the Foundation for the Advancement of Education in Medical Radiology, Zurich