CASP	Critical Appraisal Skills Programme
EID	Early-identified
GRADE	Grading of Recommendations Assessment, Development and Evaluation
GDP	Guideline Development Group
HVDT	Health Visitor Distraction Testing
LID	Late-identified
LMIC	Low Middle Income Countries
NICU	Newborn intensive care unit
NS	No Screen
PCHL	Permanent childhood hearing loss
PICOTS	Participants: Intervention, Comparators, Outcomes, Timings and Study
PRISMA	Preferred Reporting Items for Systematic reviews and Meta-analyses
RFS	Risk Factor Screen
SD	Standard deviation
UNHS	Universal newborn hearing screening
UK	United Kingdom
US	United States
VHD	Very highly developed
WHO	World Hearing Organization
CYI	(Christine Yoshinaga-Itano)
CH	(Cynthia Hunnicutt)
VM	(Vinaya Manchaiah)