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Table 2 COBRA Biobank sample collection.

From: New directions in childhood obesity research: how a comprehensive biorepository will allow better prediction of outcomes

   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    
  1. Number of samples × volume collection. ml = millilitre(s). EDTA = EthyleneDiamineTetraAcetic acid tube. SG = Serum Gel tube. LH = Lithium Heparin tube.