Fig. 4
From: Brain barriers virtual: an interim solution or future opportunity?
Global view of participation over BBV2020, BBB 2018, and CVB 2019. Representation of participants for (A) BBV2020, (B) BBB 2018, and (C) CVB 2019. Ordered from top to bottom in greatest number of registrants. Number of registrants scaled by color based on number of registrants per country for (D) BBV 2020, (E) BBB 2018, and (F) CVB 2019. Light Pink: 1–10 registrants; Dark Pink: 11–50 registrants; Red: 51–100 registrants and Dark Red: > 100 registrants