AAP	American Academy of Pediatrics
ASH	American Society of Hematology
CNT	Clean Needle Technique
fMRI	functional Magnetic Resonance Imaging
NRS	Numeric Rating Scale
NSAID	Non-steroidal anti-inflammatory drug
PET	positron emission tomography
SCD	Sickle Cell Disease
SNRI	serotonin and norepinephrine reuptake inhibitor
TCA	tricyclic antidepressant
TEI-SF	Treatment Evaluation Inventory-Short Form
TX	treatment