| LC-MS/MS | liquid chromatography with tandem mass-spectrometer |
| 25(OH)D | 25 hydroxyvitamin D |
| 1-25(OH)2D | 1,25 di-hydroxyvitamin D |
| Th2 | T helper 2 cells |
| IgE | immunoglobulin E |
| DBS | dried blood spot |
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