BP	Blood pressure
SBP	Systolic blood pressure
DBP	Diastolic blood pressure
ABP	Arterial blood pressure
ICU	Intensive care unit
PWV	Pulse wave velocity
PTT	Pulse transit time
ECG	Electrocardiogram
PPG	Photoplethysmogram
BCG	Ballistocardiogram
PVDF	Polyvinylidene fluoride
RJI	R-J interval
ANN	Artificial neural network
MLR	Multiple linear regression
RRI	R-R interval
CNN	Convolutional neural network
Bi-GRU	Bidirectional gated unit
ReLU	Rectified linear unit
RNN	Recurrent neural network
LSTM	Long short term memory
MLP	Multilayer perceptron
MSE	Mean squared error
MIMIC	Medical Information Mart for Intensive Care
RMSE	Root mean square error
MAE	Mean absolute error
SD	Standard deviation
ANOVA	Analysis of variance
LOA	Limits of agreement
AAMI	US Association for the Advancement of Medical Instrumentation
BHS	British Hypertension Society
LOSO	Leave-one-subject-out