Manuscript history:
- submitted original version to NeuroImage on 10-Oct-2018
- submitted revised version to NeuroImage on 10-Dec-2018
- submitted revised version #2 to NeuroImage on 15-Jan-2019
- accepted on 09-Feb-2019
- available online on 11-Feb-2019 at https://doi.org/10.1016/j.neuroimage.2019.02.025
Full text requests may be directed to the first author.