29_09-51-33_ppg 4 1000 29994 29_09-51-33_ppg.dat 32 100.0(0)/au 32 0 -178 528 0 carotid_880nm 29_09-51-33_ppg.dat 32 100.0(0)/au 32 0 -119 65494 0 carotid_660nm 29_09-51-33_ppg.dat 32 100.0(0)/au 32 0 137 64717 0 brachial_880nm 29_09-51-33_ppg.dat 32 100.0(0)/au 32 0 55 62584 0 brachial_660nm