Performed Planned Requested Absence to be justified Not necessary Not mentioned
Autologous not genetically modified (n=31) 11 3 3 0 10 4
Allogeneic not genetically modified (n=29) 17 3 0 2 6 1
Autologous genetically modified (n=20) 9 3 1 0 4 3
Allogeneic genetically modified (n=6) 3 0 1 1 1 0
Total of biodistribution studies 40 9 5 3 21 8