Microcollimator for micrometer-wide stripe irradiation of cells using 20-30 keV X-rays - Brugger, Juergen.; Halazonetis, Demetrios J.; Halazonetis, Thanos D.; Jenkins, Nathan.; Liani, Andre.; Pataky, Kristopher.; Villanueva, Guillermo.; Zgheib, Omar.