AA	alopecia areata
Ab	antibodies
AN	alopecia neoplastica
ATD	autoimmune thyroid disease
APS-1	autoimmune poly-endocrine syndrome type 1
CI	Confidence Interval
FFA	frontal fibrosing alopecia
FPHL	female pattern hair loss
HLA	Human Leukocyte Antigen
LPP	lichen planopilaris
IFN	interferon
IQR	interval inter-quartile
OR	Odds Ratio
NKG	Natural Killer Group
NOS	No other specified
MPA	male pattern alopecia
PPAR	peroxisome proliferator-activated receptor
SAVI	STING-associated vasculopathy with onset in infancy
TE	telogen effluvium
TH	thyroid hormones
TG-Ab	anti-thyroglobulin antibodies
TR-Ab	TSH-receptor antibody
TPO-Ab	antithyroperoxidase antibodies
TR	thyroid hormones receptor
T3	Triiodothyronine
T4	thyroxine
TSH	Thyroid Stimulating Hormone