WGANs	Wasserstein Generative Adversarial Networks
DT	Digital twins
HOSVD	Higher-order singular value decomposition
FMMs	Feature moment metrics
OHR	Overall heart rate
AHR	Active heart rate
RHR	Resting heart rate
FNR	False negative rate
CDC	Centers for Disease Control and Prevention’s
bpm	Beats per minute
HD	Hellinger distance
LHS	Latin Hypercube Sampling
SU	synthetic users
RD	Real data
SD	Synthetic data
ACT	Average computing time