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Sibling Comparisons to Account for Confounding—Reply

JAMA 10.1001/jama.2026.2879

April 29, 2026 at 11:00 AM EDT

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Corresponding Author: Brian K. Lee, PhD, Drexel University Dornsife School of Public Health, 3215 Market St, Philadelphia, PA 19104 (bkl29@drexel.edu).

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