Preprint Article Version 1 This version is not peer-reviewed Version 1 : Received: 27 April 2024 / Approved: 29 April 2024 / Online: 29 April 2024 (09:10:57 CEST) Zhao, T.; Li, A.; Bo, R.; Cong, Q.; Taylor, S.N.; Matson, A.; Chen, M.; Alder, N.N.; Cong, X. Association between Mitochondrial DNA Copy Number and Neurodevelopmental Outcomes among Black and White Preterm Infants up to Two Years of Age. Preprints 2024, 2024041905.