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. 2019 Mar 11;44(4):267–278. doi: 10.1093/chemse/bjz014

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© The Author(s) 2019. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 2. — One thousand participants within 100 days. A histogram depicting age and gender of the participants. The insert pie chart denotes country of origin: IL = Israel; US = USA; JP = Japan; DE = Germany; CH = Switzerland; GB = Great Britain.