. Author manuscript; available in PMC: 2022 Apr 19.
Published before final editing as: IEEE Trans Med Imaging. 2019 Feb 27:10.1109/TMI.2019.2902073. doi: 10.1109/TMI.2019.2902073
Personal use of this material is permitted. However, permission to use this material for any other purposes must be obtained from the IEEE by sending a request to pubs-permissions@ieee.org.