. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: J Biomed Inform. 2018 Apr 12;82:31–40. doi: 10.1016/j.jbi.2018.04.008
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/BY-NC-ND/4.0/).