[1
]GRID grid.266100.3, ISNI 0000 0001 2107 4242, Division of Otolaryngology-Head and Neck Surgery, Department Surgery, , University of California, ; La Jolla, San Diego, California USA
[2
]GRID grid.410371.0, ISNI 0000 0004 0419 2708, Research Service, , VA San Diego Healthcare System, ; San Diego, CA 92161 USA
[3
]GRID grid.266100.3, ISNI 0000 0001 2107 4242, UC San Diego School of Medicine, University of California, ; San Diego, CA 92093 USA
[4
]GRID grid.168010.e, ISNI 0000000419368956, Stanford University School of Medicine, ; Stanford, CA 94305 USA
[5
]GRID grid.38142.3c, ISNI 000000041936754X, Harvard Medical School, , Harvard University, ; Boston, MA 02115 USA
[6
]GRID grid.42505.36, ISNI 0000 0001 2156 6853, Keck School of Medicine, , University of Southern California, ; Los Angeles, CA 90089 USA
[7
]GRID grid.266756.6, ISNI 0000 0001 2179 926X, University of Missouri-Kansas City School of Medicine, ; Kansas City, MO 64110 USA
[8
]GRID grid.21729.3f, ISNI 0000000419368729, Vagelos College of Physicians and Surgeons, , Columbia University, ; New York, NY 10032 USA
[9
]GRID grid.21729.3f, ISNI 0000000419368729, Department of Internal Medicine, , Vagelos College of Physicians and Surgeons, Columbia University, ; New York, NY 10032 USA
[10
]GRID grid.16753.36, ISNI 0000 0001 2299 3507, Feinberg School of Medicine, , Northwestern University, ; Chicago, IL 60611 USA
[11
]GRID grid.266100.3, ISNI 0000 0001 2107 4242, Department of Radiology, , University of California, ; San Diego, CA 92093 USA
[12
]GRID grid.410371.0, ISNI 0000 0004 0419 2708, Radiology Service, , VA San Diego Healthcare System, ; San Diego, CA 92161 USA
License:
Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License,
which permits use, sharing, adaptation, distribution and reproduction in any medium
or format, as long as you give appropriate credit to the original author(s) and the
source, provide a link to the Creative Commons licence, and indicate if changes were
made. The images or other third party material in this article are included in the
article's Creative Commons licence, unless indicated otherwise in a credit line to
the material. If material is not included in the article's Creative Commons licence
and your intended use is not permitted by statutory regulation or exceeds the permitted
use, you will need to obtain permission directly from the copyright holder. To view
a copy of this licence, visit
http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (
http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a
credit line to the data.