Author contributions
All authors contributed to the work presented in this paper. M.T., J.C.B. and R.H. conceptualized the study. The experimental setup was designed by M.T., R.H. and S.E.T., while S.I. designed and established the experimental task applied. Data acquisition was performed by R.H., A.C.K., K.A. and T.S. Statistical analyses were performed by R.H., B.K. and L.R. The manuscript was written by R.H., L.R., B.K. and M.T. Required infrastructure was provided, set up and controlled by C.M., M.S. and O.A.C. M.T. supervised the study.