Author contributions:
| Greenwald | Horwhat | Abrams | Lightdale | Dumot | |
|---|---|---|---|---|---|
| Substantial contributions to conception and design, acquisition of data, or analysis and interpretation of data | X | X | X | X | X |
| Drafting the article or revising it critically for important intellectual content | X | X | X | X | X |
| Final approval of the version to be published | X | X | X | X | X |

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