AB	Abdomen
B&A	Bland–Altman-plot analysis
BR	Breathing rate
CBT	Cognitive-behavioral therapy
DCS	D-cycloserine
DOF	Degrees of freedom
ECG	Electrocardiogram
HCs	Healthy controls
HR	Heart rate
HRV	Heart-rate variability
IP	Impedance pneumography
ML	Machine learning
MV	Minute ventilation
NL	Nonlinear
PA(s)	Panic attack(s)
PD	Panic Disorder
PPG	Photoplethysmography
RC	Rib cage
RMP	Respiratory magnetometer plethysmography
RIP	Respiratory inductive plethysmography
TV	Tidal volume