19_14-50-13_ppg 4 1000 29992 19_14-50-13_ppg.dat 32 100.0(0)/au 32 0 -33 343 0 carotid_880nm 19_14-50-13_ppg.dat 32 100.0(0)/au 32 0 -5 6101 0 carotid_660nm 19_14-50-13_ppg.dat 32 100.0(0)/au 32 0 -20 237 0 brachial_880nm 19_14-50-13_ppg.dat 32 100.0(0)/au 32 0 -12 64413 0 brachial_660nm