eSAPS-PD	Enhanced Scale for Assessment of Positive Symptoms in Parkinson’s Disease
NMSs	non-motor symptoms
NMFs	non-motor fluctuations
NPI	Neuropsychiatric Inventory
OHs	olfactory hallucinations
PD	Parkinson’s disease
PSAS	Psycho-Sensory hAllucinations Scale
PsycH-Q	Psychosis and Hallucinations Questionnaire
RBD	rapid eye movement sleep behavior disorder
SAPS	Schedule for Assessment of Positive Symptoms
TDI	threshold–discrimination–identification
UM-PDHQ	University of Miami Parkinson’s disease Hallucinations Questionnaire
UPSIT	University of Pennsylvania Smell Identification Test