new command to extract ADC & b=0 map from trace-weighted scans
new command to extract ADC & b=0 map from trace-weighted scans

MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3