. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Tomography. 2017 Mar;3(1):41–49. doi: 10.18383/j.tom.2016.00286
Published by Grapho Publications, LLC This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). ISSN 2379-1381 http://dx.doi.org/10.18383/j.tom.2016.00286