[1] Oslo University Hospital,Vilhelm Magnus Laboratory for Neurosurgical Research, Department of Neurosurgery and Institute of Surgical Research
[2] Institute of Basic Medical Sciences,Laboratory of Neural Development and Optical Recording (NDEVOR), Department of Physiology
[3] University of Oslo,Norwegian Center for Stem Cell Research, Department of Immunology and Transfusion Medicine
[4] Oslo University Hospital,Present Address: Department of Radiation Biology
[5] SFI-CAST Biomedical Innovation Center,undefined
[6] Oslo University Hospital,undefined
[7] Institute for Cancer Research,undefined
[8] Norwegian Radium Hospital,undefined
[9] Oslo University Hospital,undefined