Defined in file : brainvisa/toolboxes/nuclearimaging/types/OLDPetSubjectTypes.py
BrainVISA volume formats
{center}/{subject}/t1mri/{acquisition}/{analysis}/segmentation/<subject>_<acquisition>_T1_PetSpc_Csf_{method}
rescan , acquisition_date , time_point , time_duration , center , subject , acquisition , analysis , method