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. Author manuscript; available in PMC: 2020 Dec 6.
Published in final edited form as: Circ Res. 2019 Dec 5;125(12):1141–1145. doi: 10.1161/CIRCRESAHA.119.310859

Figure 1.

Figure 1.

Figure 1.

Figure 1.

Research and development (R&D) intensity, the number of publications and research collaborations on cardiovascular topics by countries. A Gross expenditure on research and development (GERD) as a percentage of the gross domestic product (GDP) by countries from 2000 to 2017. B The number of publications by Korea and other countries on cardiovascular topics published from January 2008 to December 2019. C The percentage of the number of publications by collaborations between Korea and other countries out of the number of total publications on cardiovascular topics by Korean investigators.