| CYP | Children and young people |
| IQR | Interquartile range |
| LC-MS/MS | Liquid chromatography tandem mass spectrometry |
| POCT | Point-of-care test/technology |
| PRISMA-DTA | Preferred Reporting Items for Systematic review and Meta-Analysis of Diagnostic Test Accuracy Studies |
| QUADAS | Quality Assessment Tool for Diagnostic Accuracy Studies |
| RCT | Randomised control trial |
| UK | United Kingdom |
| USA | United States of America |
| UVB | Ultraviolet B |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.