About the Authors
- Jinma Ren
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Roles Conceptualization, Formal analysis, Methodology, Writing – original draft, Writing – review & editing
* E-mail: jinmaren@uic.edu
Affiliation Center for Outcomes Research, Department of Medicine, University of Illinois College of Medicine at Peoria, Peoria, IL, United States of America
- Kirk Moberg
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Roles Methodology, Writing – original draft, Writing – review & editing
Affiliation UnityPoint Health Illinois Institute for Addiction Recovery, Peoria, IL, United States of America
- Heidi Scuffham
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Roles Data curation, Investigation, Project administration, Resources
Affiliation UnityPoint Health Illinois Institute for Addiction Recovery, Peoria, IL, United States of America
- Dongming Guan
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Roles Formal analysis, Writing – original draft, Writing – review & editing
Affiliation Center for Outcomes Research, Department of Medicine, University of Illinois College of Medicine at Peoria, Peoria, IL, United States of America
- Carl V. Asche
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Roles Methodology, Writing – original draft, Writing – review & editing
Affiliations Center for Outcomes Research, Department of Medicine, University of Illinois College of Medicine at Peoria, Peoria, IL, United States of America, Center for Pharmacoepidemiology and Pharmacoeconomic Research, University of Illinois at Chicago College of Pharmacy, Chicago, IL, United States of America
Competing Interests
We have the following interest. This study was partly funded by Par-A-Dice Hotel and Casino. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.