Figure 1 | Scientific Reports

Figure 1

From: Dual use of e-cigarettes with conventional tobacco is associated with increased sleep latency in cross-sectional Study

Figure 1

Responses were collected from 47 countries across 6 continents. Locations of the survey responders, by IP address. Responses were collected from over 47 countries and the size of each flag symbol on the map is proportional to the number of responses received from the region. For reference, the number of responses from the US was 687, from the United Kingdom was 138, from Brazil was 7, and from New Zealand was 2. Maps data ©2021 Google.

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