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Your task is to rewrite the following text in in ELI9 style, which means explain everything as if you are talking to a nine-year-old child. Use simple words and examples that children can understand. The text to rewrite it is this: 
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Background: Despite the importance of informed consent in healthcare, the readability and specificity of consent forms often impedes patients' comprehension. Health literacy is linked to patient outcomes, making it essential to address these issues. This study investigates the use of GPT-4 to simplify surgical consent forms and introduces an AI-human expert collaborative approach to validate content appropriateness. Methods: Consent forms from multiple institutions were assessed for readability and simplified using GPT-4, with pre- and post-simplification readability metrics compared using nonparametric tests. Independent reviews by medical authors and a malpractice defense attorney were conducted. Finally, GPT-4's potential for generating de novo procedure-specific consent forms was assessed, with forms evaluated using a validated 8-item rubric and expert subspecialty surgeon review. Results: Analysis of 15 academic medical centers' consent forms revealed significant reductions in average reading time, word rarity, and passive sentence frequency (all P<0.05) following GPT-4-faciliated simplification. Readability improved from an average college freshman to an 8th-grade level (P=0.004), matching the average American's reading level. Medical and legal sufficiency consisten