20_15-40-17_ppg 4 1000 29994 20_15-40-17_ppg.dat 32 100.0(0)/au 32 0 132 62183 0 carotid_880nm 20_15-40-17_ppg.dat 32 100.0(0)/au 32 0 21 64689 0 carotid_660nm 20_15-40-17_ppg.dat 32 100.0(0)/au 32 0 4 3573 0 brachial_880nm 20_15-40-17_ppg.dat 32 100.0(0)/au 32 0 -2 60802 0 brachial_660nm