| EFSA | European Food Safety Authority |
| FFQ | Food frequency questionnaire |
| HCP | Healthcare professional |
| ICCIDD | International Council for the Control of Iodine Deficiency Disorders |
| ID | Iodine deficiency |
| IQ | Intelligence quotient |
| IQR | Interquartile range |
| UIC | Urinary Iodine Concentration |
| UK | United Kingdom |
| UNICEF | United Nations Children’s Fund |
| WHO | World Health Organisation |
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