|  | Biospecimen fractions & number/volume of stored aliquots | |||||
---|---|---|---|---|---|---|---|
Participant age | Type of collection tube | Guthrie cards | Peripheral whole blood | Plasma | Lymph-ocytes | Granulo-cytes | Sera |
> = 3 years | EDTA | 4 × 0.1 ml |  | 2 × 1 ml | 3 × 1 ml | 2 × 1 ml |  |
 | SG |  |  |  |  |  | 6 × 0.5 ml |
 | LH |  | 4 × 1 ml | 4 × 0.5 ml |  |  |  |
 | Citrate |  |  | 4 × 0.25 ml |  |  |  |
< 3 years | EDTA | 4 × 0.1 ml |  |  | 2 × 1 ml | 2 × 1 ml |  |
 | SG |  |  |  |  |  | 4 × 0.5 ml |
 | LH |  | 2 × 1 ml | 2 × 0.5 ml |  |  |  |
 | Citrate |  |  | 3 × 0.25 ml |  |  |  |