There's an additional paper that could fit in either or both of these categories: Aslan, S., Hocke, L., Schwarz, N., and Frederick, B., Extraction of the cardiac waveform from simultaneous multislice fMRI data using slice sorted averaging and a deep learning reconstruction filter. Neuroimage, 2019. 198: p. 303-316. MyConnectome was used along with the HCP to develop and test the method.