This work was approved by the Ethics Committee and Review Board of the Center Consent to participate: Study participants were informed of the procedure and gave their consent to participate by signing the informed consent. Availability of data and material: All relevant data are within the paper Code availability: Not applicable Authors' contributions: M. Boada and A. Perez-Poch conceived the study; D.V. González conducted the parabolic flights; M. Ballester and S. García-Monclús performed the seminal tests; S. García performed statistical analysis, M. Boada, A. Perez-Poch, M. Ballester, S. García-Monclús and A.Veiga analyzed the data and wrote the paper; All authors read, reviewed and approved the final manuscript.
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