8_13-13-33_ppg 4 1000 29994 8_13-13-33_ppg.dat 32 100.0(0)/au 32 0 15 262 0 carotid_880nm 8_13-13-33_ppg.dat 32 100.0(0)/au 32 0 -1 62308 0 carotid_660nm 8_13-13-33_ppg.dat 32 100.0(0)/au 32 0 68 1654 0 brachial_880nm 8_13-13-33_ppg.dat 32 100.0(0)/au 32 0 31 3702 0 brachial_660nm