9_13-53-57_ppg 4 1000 29993 9_13-53-57_ppg.dat 32 100.0(0)/au 32 0 32 2948 0 carotid_880nm 9_13-53-57_ppg.dat 32 100.0(0)/au 32 0 -1 3883 0 carotid_660nm 9_13-53-57_ppg.dat 32 100.0(0)/au 32 0 74 62456 0 brachial_880nm 9_13-53-57_ppg.dat 32 100.0(0)/au 32 0 171 63076 0 brachial_660nm