20_15-38-38_ppg 4 1000 29993 20_15-38-38_ppg.dat 32 100.0(0)/au 32 0 36 62624 0 carotid_880nm 20_15-38-38_ppg.dat 32 100.0(0)/au 32 0 -38 63878 0 carotid_660nm 20_15-38-38_ppg.dat 32 100.0(0)/au 32 0 -536 2649 0 brachial_880nm 20_15-38-38_ppg.dat 32 100.0(0)/au 32 0 -325 63239 0 brachial_660nm