4 files were saved with the following designation structure in the file name: Number_diagnosis_start time of the 2-second fragment_type. Example: • 425_C_B_714s_frag • 425_C_B_714s_full • 425_C_B_714s_15_2 • 425_C_B_714s_10_3 Implementation number (425_C); diagnosis (B); start time of the 2-second fragment (714s), type: • frag – 2-second signal fragment; • full – full spectrum, the step of 0.5 Hz; • 15_2 – smoothed spectrum (0 – 15 Hz), the step of 1 Hz; 15 features; • 10_3 – smoothed spectrum (0 – 15 Hz), the step of 1.5 Hz; 10 features.