10_18-14-33_ppg 4 1000 29994 10_18-14-33_ppg.dat 32 100.0(0)/au 32 0 36 62004 0 carotid_880nm 10_18-14-33_ppg.dat 32 100.0(0)/au 32 0 22 61248 0 carotid_660nm 10_18-14-33_ppg.dat 32 100.0(0)/au 32 0 -22 61640 0 brachial_880nm 10_18-14-33_ppg.dat 32 100.0(0)/au 32 0 -14 3795 0 brachial_660nm