PMDB	PainMonit Database
BVDB	BioVid Heat Pain Database
BVP	Blood Volume Pulse
ECG	Electrocardiogram
GSR	Galvanic Skin Response
sEMG	surface Electromyogram
EMG	Electromyogram
HR	Heart Rate
EDA	Electrodermal Activity
GSR	Galvanic Skin Response
SCL	Skin Conductance Level
SCR	Skin Conductance Respons
IBI	Inter-Beats-Interval
ACC	Accelerometer
RB	respiBAN Professional
E4	Empatica E4
RF	Random Forest
SVM	Support Vector Machine
HCF	Hand-Crafted Features
MLP	Multi-Layer Perceptron
NN	Neural Network
CNN	Convolutional Neural Network
AE	Autoencoder
CAE	Convolutional Autoencoder
LSTM	Long Short-Term Memory
RNN	Recurrent Neural Network
DDCAE	Deep Denoising Convolutional Autoencoder
ReLU	Rectified Linear Unit
ADAM	Adaptive Moment estimation
LOSO	Leave-one-subject-out
CV	Cross Validation
RMSE	Root Mean Square Error
MSE	Mean Squared Error
NRS	Numerical Rating Scale
VAS	Visual Analogue Scale
CoVAS	Computerised Visual Analogue Scale
IASP	International Association for the Study of Pain
STD	Standard Deviation
VAR	Variance
cvxEDA	convex EDA optimisation method
dPhEDA	derivative of phasic component of EDA
TVSymp	spectral features time-varying index of sympathetic activity
MTVSymp	modified spectral features time-varying index of sympathetic activity