Journal Pre-proof Concentration-response relationships between hourly particulate matter and ischemic events: A case-crossover analysis of effect modification by season and air-mass origin Ronit Nirel, Ilan Levy, Sara D. Adar, Bella Vakulenko-Lagun, Alon Peretz, Michal Golovner, Uri Dayan PII: S0048-9697(20)36938-2 DOI: https://doi.org/10.1016/j.scitotenv.2020.143407 Reference: STOTEN 143407 To appear in: Science of the Total Environment Received date: 29 August 2020 Revised date: 13 October 2020 Accepted date: 28 October 2020 Please cite this article as: R. Nirel, I. Levy, S.D. Adar, et al., Concentration-response relationships between hourly particulate matter and ischemic events: A case-crossover analysis of effect modification by season and air-mass origin, Science of the Total Environment (2020), https://doi.org/10.1016/j.scitotenv.2020.143407 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier.