| Topic | Winston | Xu | Sarna |
| Study concept And design | X | ||
| Analysis of data | X | X | |
| Acquisition of data | X | X | |
| Interpretation of data | X | ||
| Drafting manuscript | X | ||
| Revision | X | ||
| Statistical analysis | X | X | |
| Funding | X | ||
| Study supervision | X |
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