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Table 2 Adoption of OPR by publishers

From: Open peer review: promoting transparency in open science

Publisher OPR journals Percentage of OPR journals (%) Headquarters location
MDPI 204 33.0 Switzerland
SDI 111 18.0 India
BioMed central 70 11.3 United Kingdom
Frontiers media S.A 64 10.4 Switzerland
Kowsar 51 8.3 The Netherlands
Wiley 40 6.5 USA
Copernicus publications 21 3.4 Germany
PLOS 7 1.1 USA
Elsevier 7 1.1 The Netherlands
EMBO press 5 0.8 Germany
Other publishers 37 6.0 11 countries*
Total 617 100.0  
  1. *United Kingdom (19 journals), United States (9), Argentina (1), Bulgaria (1), Canada (1), France (1), Germany (1), Ireland (1), Kenya (1), The Netherlands (1), Switzerland (1)