32_12-19-50_ppg 4 1000 29993 32_12-19-50_ppg.dat 32 100.0(0)/au 32 0 47 3 0 carotid_880nm 32_12-19-50_ppg.dat 32 100.0(0)/au 32 0 2 3138 0 carotid_660nm 32_12-19-50_ppg.dat 32 100.0(0)/au 32 0 -1 4069 0 brachial_880nm 32_12-19-50_ppg.dat 32 100.0(0)/au 32 0 -9 59302 0 brachial_660nm