Medical Image Computing and Computer-Assisted Intervention – {MICCAI}2009, 12th International Conference, London, UK, September 20-24,2009, Proceedings, Part {II} 2009 (1) @author@, Medical Image Computing and Computer-Assisted Intervention - MICCAI2009, 12th International Conference, London, UK, September 20-24,2009, Proceedings, Part II, volume 5762, 2009