24_14-25-50_ppg 4 1000 29994 24_14-25-50_ppg.dat 32 100.0(0)/au 32 0 73 63690 0 carotid_880nm 24_14-25-50_ppg.dat 32 100.0(0)/au 32 0 12 569 0 carotid_660nm 24_14-25-50_ppg.dat 32 100.0(0)/au 32 0 -358 655 0 brachial_880nm 24_14-25-50_ppg.dat 32 100.0(0)/au 32 0 -127 2019 0 brachial_660nm