| AHEI | Alternative Healthy Eating Index |
| ALL | Acute Lymphoblastic Leukemia |
| ANOVA | Analysis of Variance |
| ANCOVA | Analysis of Covariance |
| BMI | Body Mass Index |
| CCSs | Childhood Cancer Survivors |
| CI | Confidence Interval |
| CIQUAL | Centre d’Information sur la Qualité des Aliments |
| CKD-EPI | Chronic Kidney Disease Epidemiology Collaboration |
| CNS | Central Nervous System |
| COG-LTFU | Children’s Oncology Group Long-Term Follow-up |
| Cre | Creatinine |
| DACH | Germany (D), Austria (A), and Switzerland (CH) |
| CVD | Cardiovascular Disease |
| FFQ | Food Frequency Questionnaire |
| Gy | Gray |
| HSCT | Hematopoietic Stem Cell Transplantation |
| ICCC-3 | International Classification of Childhood Cancer, 3rd edition |
| INTERSALT | International Cooperative Study on Salt, Other Factors, and Blood Pressure |
| IQR | Interquartile Range |
| K | Potassium |
| Na | Sodium |
| NaCl | Sodium Chloride, Salt |
| PAHO | Pan American Health Organization |
| SCCR | Swiss Childhood Cancer Registry |
| SCCSS | Swiss Childhood Cancer Survivor Study |
| Sp | morning fasting spot sample |
| SPOG | Swiss Pediatric Oncology Group |
| TIA | transient ischemic attack |
| WHO | World Health Organization |