[1] CHU Vaudois, Neurosurg Serv, Rue Bugnon 44-46,BH-08, CH-1011 Lausanne, Switzerland
[2] Gamma Knife Ctr, Rue Bugnon 44-46,BH-08, CH-1011 Lausanne, Switzerland
[3] CHU Vaudois, Ctr Biomed Imaging CIBM, MIAL, Lausanne, Switzerland
[4] CHU Vaudois, Ctr Biomed Imaging CIBM, Dept Radiol, Lausanne, Switzerland
[5] Ecole Polytech Fed Lausanne, Signal Proc Lab LTS 5, Lausanne, Switzerland
[6] Univ Lausanne, Fac Biol & Med, Lausanne, Switzerland
[7] CHU Timone, Stereotact & Funct Neurosurg Serv, Marseille, France
[8] CHU Timone, Gamma Knife Unit, Marseille, France
[9] CHU Timone, Neurol Dept, Marseille, France
[10] Hop La Timone, Fac Med, AMU, Dept Diagnost & Intervent Neuroradiol,CRMBM UMR C, Marseille, France
[11] Hop La Timone, AP HM, Dept Diagnost Intervent Neuroradiol, Marseille, France
[12] CHU Vaudois, Dept Radiol, Lausanne, Switzerland
[13] Univ Geneva, Fac Med, Geneva, Switzerland
[14] Ecole Polytech Fed Lausanne, Med Image Proc Lab, Lausanne, Switzerland