During the course of the study a mass split into 2 masses; therefore, a new identifier was given to the second mass.

RowSTUDYIDDOMAINUSUBJIDCLSEQCLSPID
1999123CL999123-10256MASS A
RowSTUDYIDDOMAINUSUBJIDPMSEQPMSPID
1999123PM999123-10264MASS A
2999123PM999123-102228MASS B
RowSTUDYIDDOMAINUSUBJIDMASEQMASPID
1999123MA999123-102128MASS A
2999123MA999123-102345MASS B
RowSTUDYIDDOMAINUSUBJIDMISEQMISPID
1999123MI999123-10284MASS A
2999123MI999123-10284MASS B
RowSTUDYIDDOMAINUSUBJIDTFSEQTFSPID
1999123TF999123-10255MASS A
2999123TF999123-10276MASS B