Air pollution, the underestimated cardiovascular risk factor: The original manuscript published in EHJ from Jos Lelieveld and Thomas Munzel came in position 72 of the top 100 papers of the Altmetric Top 100 score for 2019. The Altmetric worldwide ranking was the result of tracking 62.5 million mentions of 2.7 million research outputs. The result highlights the popularity of the Lelieveld / Munzel article