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. 2020 Jul 7:10.1097/WNO.0000000000001051. doi: 10.1097/WNO.0000000000001051

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Copyright © 2020 by North American Neuro-Ophthalmology Society

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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FIG. 1. — Geographic distribution of survey participants: Shade of world map (upper) and US map (lower) corresponds to the number of participants from each country (upper) and US state (lower).