13_20-09-20_ppg 4 1000 29993 13_20-09-20_ppg.dat 32 100.0(0)/au 32 0 -55 62695 0 carotid_880nm 13_20-09-20_ppg.dat 32 100.0(0)/au 32 0 -23 4316 0 carotid_660nm 13_20-09-20_ppg.dat 32 100.0(0)/au 32 0 -87 61784 0 brachial_880nm 13_20-09-20_ppg.dat 32 100.0(0)/au 32 0 -46 62841 0 brachial_660nm