Shorthand	Explanation
ACD	Allergic contact dermatitis
CI	Confidence interval
EBS	European baseline series
ECHA	European Chemicals Agency (echa.europa.eu)
EECDRG	European Environmental and Contact Dermatitis Research Group (<www.eecdrg.org>)
ESCD	European Society of Contact Dermatitis (<www.escd.org>)
FM	Fragrance mix
GC-MS	Gas chromatography-mass spectrometry
HICC	Hydroxyisohexyl 3-cyclohexene carboxaldehyde
HPLC	High-performance liquid chromatography
ICPMS	Inductively coupled plasma mass spetrometry
IVDK	Information Network of Departments of Dermatology (<www.ivdk.org>)
LTT	Lymphocyte Transformation Test
M(C)I	Methyl(chloro)isothiazolinone
OOHs	Hydroperoxides
OR	Odds ratio
pet.	Petrolatum (as patch test vehicle)
QoL	Quality of life
ROAT	Repeated open application test