6.8  WADA ’s Right to Take Possession of Samples  and Data   WADA  may, in its sole discretion at any time, with or without prior notice, take physical possession of any Sample  and related analytical data or information in the possession of a  30  [Comment to Article 6.3: As is the case in most medical or scientific contexts, use of Samples and related information for quality assurance, quality improvement, method improvement and development or to establish reference popul ations is not considered research.