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population. In this context it is framed for fractionation into aliquots following
the Vallecas Project, which is consti- the so-called Vienna Institute of Neu-
tuted as a 5-year longitudinal study rology protocol, which allow different
specifically aimed at discovering the types of analysis, as well as classifica-
factors that would allow us to detect tion and storage (see Figure below).
this "population at risk" in a phase of Additionally, one blood tube (BD-CPT
potentially treatable pathology. citrate Vacutainer) for the isolation of
mononuclear leukocytes, together
During 2020, 91 volunteers were stu- with another tube lacking anticoagu-
died, with the following distribution: 2 lant to obtain serum are processed.
volunteers from the fifth follow-up visit Furthermore, saliva samples from 43
of the study, 33 volunteers from the volunteers have been collected as well.
sixth visit, and 13 from the seventh visit.
Vienna Institute of Neurology Protocol
Of all volunteers recruited in the study for blood processing in various frac-
and having an informed consent, a tions for the search for biomarkers and
blood sample is collected and imme- susceptibility genes.
diately transferred to the laboratory

EVALUATION 1ª 2ª 3ª 4ª 5ª 6ª 7ª 8ª 9ª TOTAL

Nº SAMPLES 1169 767 755 699 663 447 314 131 0 4645

Samples 2020 0 0 0 0 0 0 13 33 2 48

Total 1169 767 755 699 663 447 327 164 2 4993

Nº Aliquots 16366 10738 10570 9786 9282 6258 4578 2296 28 69902