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Liu X, Liu X, Yang Z, Li Z, Zhang L, Zhang Y, Liu J, Ye R, Li N. The Association of Infant Birth Sizes and Anemia under Five Years Old: A Population-Based Prospective Cohort Study in China. Nutrients 2024; 16:1796. [PMID: 38931151 PMCID: PMC11206821 DOI: 10.3390/nu16121796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/30/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
Infant birth sizes are vital clinical parameters to predict poor growth and micronutrient deficiency in early life. However, their effects on childhood anemia remain unclear. We aimed to explore the associations between birth weight, crown-heel length, and head circumference with anemia in early childhood, as well as potential modification factors. This population-based prospective cohort study included 204,556 participants with singleton live births delivered at gestational ages of 28-42 weeks. A logistic regression model was used to estimate the associations of the measures of infant birth size and their Z-score with anemia under five years old. There were 26,802 (13.10%) children under five years old who were diagnosed has having anemia. Compared with children who did not have anemia, children who had anemia had a lower birth weight and smaller head circumference and a longer crown-heel length (all p-values < 0.05). After adjusting for confounders, not only birth weight (β coefficient, -0.008; 95% CI, -0.011--0.004; p < 0.001) and head circumference (β coefficient, -0.004; 95% CI, -0.007--0.001; p = 0.009), but also the related Z-scores were negatively associated with childhood anemia, while the trends for crown-heel length were the opposite. We further found significant interactions of folic acid use and maternal occupation with infant birth sizes. In conclusion, infants having abnormal sizes at birth are significantly associated with the risk for childhood anemia, which can be modified by folic acid use during pregnancy and maternal occupation.
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Affiliation(s)
- Xiaojing Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China; (X.L.); (X.L.); (Z.Y.); (Z.L.); (L.Z.); (Y.Z.); (J.L.); (R.Y.)
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
| | - Xiaowen Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China; (X.L.); (X.L.); (Z.Y.); (Z.L.); (L.Z.); (Y.Z.); (J.L.); (R.Y.)
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
| | - Zeping Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China; (X.L.); (X.L.); (Z.Y.); (Z.L.); (L.Z.); (Y.Z.); (J.L.); (R.Y.)
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
| | - Zhiwen Li
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China; (X.L.); (X.L.); (Z.Y.); (Z.L.); (L.Z.); (Y.Z.); (J.L.); (R.Y.)
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
| | - Le Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China; (X.L.); (X.L.); (Z.Y.); (Z.L.); (L.Z.); (Y.Z.); (J.L.); (R.Y.)
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
| | - Yali Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China; (X.L.); (X.L.); (Z.Y.); (Z.L.); (L.Z.); (Y.Z.); (J.L.); (R.Y.)
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
| | - Jianmeng Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China; (X.L.); (X.L.); (Z.Y.); (Z.L.); (L.Z.); (Y.Z.); (J.L.); (R.Y.)
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
| | - Rongwei Ye
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China; (X.L.); (X.L.); (Z.Y.); (Z.L.); (L.Z.); (Y.Z.); (J.L.); (R.Y.)
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
| | - Nan Li
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing 100191, China; (X.L.); (X.L.); (Z.Y.); (Z.L.); (L.Z.); (Y.Z.); (J.L.); (R.Y.)
- Institute of Reproductive and Child Health/Ministry of Health Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China
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Nilsen GØ, Simpson MR, Hanem LGE, Løvvik T, Ødegård R, Stokkeland LMT, Andersen M, Juliusson PB, Vanky E. Anthropometrics of neonates born to mothers with PCOS with metformin or placebo exposure in utero. Acta Obstet Gynecol Scand 2024; 103:176-187. [PMID: 37488743 PMCID: PMC10755130 DOI: 10.1111/aogs.14637] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/21/2023] [Accepted: 06/30/2023] [Indexed: 07/26/2023]
Abstract
INTRODUCTION Fetal growth may be affected by both maternal polycystic ovary syndrome (PCOS) and metformin therapy. Here, we explore the effect of intrauterine metformin exposure on birth anthropometrics of infants born to women with PCOS. We also investigated whether the effect of metformin on birth anthropometrics is modified by maternal pre-pregnancy body mass index, PCOS hyperandrogenic phenotype, serum androgen levels, preconception use of metformin and offspring sex. Additionally, we assessed newborn anthropometrics in relation to a national reference population. MATERIAL AND METHODS Individual data from three randomized controlled triasl were pooled. The randomized controlled trials investigated the effects of metformin in pregnant women with PCOS. In all, 397 and 403 were randomized to the metformin and placebo groups, respectively. A Scandinavian growth reference was used to calculate sex and gestational age adjusted z-scores. Linear regression models were used to estimate the effect of metformin on offspring z-scores of head circumference, birth length, birthweight, placental weight, body mass index, ponderal index and birthweight:placental weight ratio. S-testosterone, s-androstenedione, and s-sex-hormone binding globulin from four timepoints in pregnancy were analyzed. RESULTS Compared with the PCOS-placebo group, newborns in the PCOS-metformin group had larger head circumference (head circumference z-score: mean difference = 0.25, 95% CI = 0.11- 0.40). This effect of metformin on head circumference z-score was particularly observed among offspring of overweight/obese mothers and mothers with hyperandrogenic PCOS-phenotype. We observed no difference in other anthropometric measures between the metformin and placebo groups or any clear interaction between maternal androgen levels and metformin. Newborns in the PCOS-placebo group were shorter than in the reference population (birth length z-score: mean = -0.04, 95% CI = -0.05 to -0.03), but head circumference and birthweight were similar. CONCLUSIONS Larger head circumference was observed at birth in metformin-exposed offspring of mothers with PCOS. PCOS-offspring were also shorter, with a similar birthweight to the reference population, indirectly indicating higher weight-to-height ratio at birth.
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Affiliation(s)
- Guro Ørndal Nilsen
- Faculty of Medicine and Health SciencesNorwegian University of Science and Technology (NTNU)TrondheimNorway
| | - Melanie Rae Simpson
- Department of Public Health and NursingNorwegian University of Science and TechnologyTrondheimNorway
| | - Liv Guro Engen Hanem
- Children's Clinic, St. Olav's HospitalTrondheim University HospitalTrondheimNorway
| | - Tone Shetelig Løvvik
- Department of Clinical and Molecular MedicineFaculty of Medicine and Health SciencesNorwegian University of Science and TechnologyTrondheimNorway
- Department of Obstetrics and Gynecology, St. Olav's HospitalTrondheim University HospitalTrondheimNorway
| | - Rønnaug Ødegård
- Department of Clinical and Molecular MedicineFaculty of Medicine and Health SciencesNorwegian University of Science and TechnologyTrondheimNorway
- Center for Obesity Research, St. Olav's HospitalTrondheim University HospitalTrondheimNorway
| | - Live Marie T. Stokkeland
- Department of Clinical and Molecular MedicineFaculty of Medicine and Health SciencesNorwegian University of Science and TechnologyTrondheimNorway
- Center of Molecular Inflammation Research (CEMIR)Norwegian University of Science and Technology (NTNU)TrondheimNorway
| | | | - Petur Benedikt Juliusson
- Department of Health Registry Research and DevelopmentNational Institute of Public HealthBergenNorway
- Department of Clinical ScienceUniversity of BergenBergenNorway
| | - Eszter Vanky
- Department of Clinical and Molecular MedicineFaculty of Medicine and Health SciencesNorwegian University of Science and TechnologyTrondheimNorway
- Department of Obstetrics and Gynecology, St. Olav's HospitalTrondheim University HospitalTrondheimNorway
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Long M, Wielsøe M, Bech BH, Henriksen TB, Bonefeld-Jørgensen EC. Maternal serum dioxin-like activity and gestational age at birth and indices of foetal growth: The Aarhus birth cohort. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 897:165286. [PMID: 37422229 DOI: 10.1016/j.scitotenv.2023.165286] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/27/2023] [Accepted: 07/01/2023] [Indexed: 07/10/2023]
Abstract
Human exposure to lipophilic persistent organic pollutants (lipPOP) is ubiquitous and life-long, beginning during foetal development. Exposure to lipPOP elicits a number of species and tissue specific responses including dioxin-like activity which involve the activation of aryl hydrocarbon receptor (AhR). This study aims i) to describe the combined dioxin-like activity in serum from Danish pregnant women collected during 2011-2013; ii) to assess the association between maternal serum dioxin-like activity, gestational age at birth and foetal growth indices. The serum lipPOP fraction was extracted using Solid Phase Extraction and cleaned-up on Supelco multi-layer silica and florisil columns. The combined dioxin-like activity of the extract was determined using the AhR reporter gene bioassay, expressed as 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) toxic equivalent (TEQ) [AhR-TEQ (pg/g lipid)]. The associations of AhR-TEQ and foetal growth indices (birth weight, birth length and head circumference) and gestational age were assessed by linear regression models. We detected AhR-TEQ in 93.9 % of maternal first trimester serum samples, with a median level of 185 pg/g lipid. Each ln-unit increase in AhR-TEQ was associated with an increase in birth weight of 36 g (95 % CI: 5; 68), birth length of 0.2 cm (95 % CI: 0.01; 0.3) and pregnancy duration of 1 day (95 % CI: 0; 1.5). In women who never smoked, higher AhR-TEQ values were associated with higher birth weight and longer duration of gestation, while in smokers the association was the opposite. Mediation analyses suggested that gestational age may mediate the association of AhR-TEQ with foetal growth indices. We conclude that AhR activating substances are present in the bloodstream of almost all pregnant women in Denmark and the AhR-TEQ level was around four times higher than previously reported. The AhR-TEQ was associated with slightly longer gestational duration and thereby higher birth weight and birth length.
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Affiliation(s)
- Manhai Long
- Centre for Arctic Health & Molecular Epidemiology, Department of Public Health, Aarhus University, Denmark.
| | - Maria Wielsøe
- Centre for Arctic Health & Molecular Epidemiology, Department of Public Health, Aarhus University, Denmark.
| | - Bodil Hammer Bech
- Research unit for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark.
| | - Tine Brink Henriksen
- Perinatal Epidemiology Research Unit, Department of Clinical Medicine, Aarhus University, Denmark; Department of Pediatrics, Aarhus University Hospital, Denmark.
| | - Eva Cecilie Bonefeld-Jørgensen
- Centre for Arctic Health & Molecular Epidemiology, Department of Public Health, Aarhus University, Denmark; Greenland Center for Health Research, University of Greenland, Nuuk, Greenland.
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S J, S N, S SK, Haripriya G, Sheriff D, S JC, Mohammad H, K P. Anthropometric Measurements in Newborns: A Comparative Study of Infants Born to Mothers With and Without Polycystic Ovary Syndrome. Cureus 2023; 15:e48012. [PMID: 38034170 PMCID: PMC10687346 DOI: 10.7759/cureus.48012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
Objective Fetal growth can be affected by maternal PCOS and may have an impact on offspring and childhood growth. The current findings across studies are divergent and controversial. This study aims to determine whether maternal PCOS can affect the physical measurements of newborns and to establish the differences in birth weight, length, head, and chest circumference between newborns of mothers with polycystic ovarian syndrome and those of mothers without polycystic ovarian syndrome. Methods In this study, we examined the gestational age, birth weight, length, head circumference, chest circumference, and ponderal index of 75 infants born to mothers with polycystic ovary syndrome (PCOS) and compared them to those of 94 infants born to mothers without PCOS. Result Compared with the other groups, the PCOS group does not show significant differences in anthropometric indices compared to the control group. Infants born to normal and PCOS mothers birth weight were categorized as SGA (small for gestational age) if birth weight was less than the 5th percentile. LGA is large for gestational age if birth weight is greater than the 90th percentile. Other appropriate for gestational age if infant birth weight is between> 5th and < 90th percentile. Significant differences in anthropometric indices like birth weight, head circumference, and Ponderal index were observed in SGA and LGA newborns of normal and PCOS mothers. Conclusion The study findings indicate that neonates born to mothers with PCOS have higher rates of SGA and LGA newborns, and differences in anthropometric indices (birth weight, head circumference, and Ponderal index) were observed between SGA and LGA newborns of PCOS mothers.
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Affiliation(s)
- Jayakumari S
- Anatomy, Sree Balaji Medical College and Hospital, Chennai, IND
| | - Nirupa S
- Obstetrics and Gynaecology, Sree Balaji Medical College and Hospital, Chennai, IND
| | - Shivaranjani K S
- Obstetrics and Gynecology, Sri Lalithambigai Medical College & Hospital, Chennai, IND
| | - Geetha Haripriya
- Obstetrics and Gynecology, Prashanth Fertility Research Centre, Chennai, IND
| | | | - Janaki C S
- Anatomy, Bharath Medical College and Hospital, Chennai, IND
| | | | - Prabhu K
- Anatomy, Sree Balaji Medical College and Hospital, Chennai, IND
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Ninan K, Gojic A, Wang Y, Asztalos EV, Beltempo M, Murphy KE, McDonald SD. The proportions of term or late preterm births after exposure to early antenatal corticosteroids, and outcomes: systematic review and meta-analysis of 1.6 million infants. BMJ 2023; 382:e076035. [PMID: 37532269 PMCID: PMC10394681 DOI: 10.1136/bmj-2023-076035] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
OBJECTIVE To systematically review the proportions of infants with early exposure to antenatal corticosteroids but born at term or late preterm, and short term and long term outcomes. DESIGN Systematic review and meta-analyses. DATA SOURCES Eight databases searched from 1 January 2000 to 1 February 2023, reflecting recent perinatal care, and references of screened articles. ELIGIBILITY CRITERIA FOR SELECTING STUDIES Randomised controlled trials and population based cohort studies with data on infants with early exposure to antenatal corticosteroids (<34 weeks) but born at term (≥37 weeks), late preterm (34-36 weeks), or term/late preterm combined. DATA EXTRACTION AND SYNTHESIS Two reviewers independently screened titles, abstracts, and full text articles and assessed risk of bias (Cochrane risk of bias tool for randomised controlled trials and Newcastle-Ottawa scale for population based studies). Reviewers extracted data on populations, exposure to antenatal corticosteroids, and outcomes. The authors analysed randomised and cohort data separately, using random effects meta-analyses. MAIN OUTCOME MEASURES The primary outcome was the proportion of infants with early exposure to antenatal corticosteroids but born at term. Secondary outcomes included the proportions of infants born late preterm or term/late preterm combined after early exposure to antenatal corticosteroids and short term and long term outcomes versus non-exposure for the three gestational time points (term, late preterm, term/late preterm combined). RESULTS Of 14 799 records, the reviewers screened 8815 non-duplicate titles and abstracts and assessed 713 full text articles. Seven randomised controlled trials and 10 population based cohort studies (1.6 million infants total) were included. In randomised controlled trials and population based data, ∼40% of infants with early exposure to antenatal corticosteroids were born at term (low or very low certainty). Among children born at term, early exposure to antenatal corticosteroids versus no exposure was associated with increased risks of admission to neonatal intensive care (adjusted odds ratio 1.49, 95% confidence interval 1.19 to 1.86, one study, 5330 infants, very low certainty; unadjusted relative risk 1.69, 95% confidence interval 1.51 to 1.89, three studies, 1 176 022 infants, I2=58%, τ2=0.01, low certainty), intubation (unadjusted relative risk 2.59, 1.39 to 4.81, absolute effect 7 more per 1000, 95% confidence interval from 2 more to 16 more, one study, 8076 infants, very low certainty, one study, 8076 infants, very low certainty), reduced head circumference (adjusted mean difference -0.21, 95% confidence interval -0.29 to -0.13, one study, 183 325 infants, low certainty), and any long term neurodevelopmental or behavioural disorder in population based studies (eg, any neurodevelopmental or behavioural disorder in children born at term, adjusted hazard ratio 1.47, 95% confidence interval 1.36 to 1.60, one study, 641 487 children, low certainty). CONCLUSIONS About 40% of infants exposed to early antenatal corticosteroids were born at term, with associated adverse short term and long term outcomes (low or very low certainty), highlighting the need for caution when considering antenatal corticosteroids. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42022360079.
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Affiliation(s)
- Kiran Ninan
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, ON, Canada
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada
| | - Anja Gojic
- Department of Obstetrics and Gynecology, McMaster University, Hamilton, ON, Canada
| | - Yanchen Wang
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada
| | - Elizabeth V Asztalos
- Division of Neonatology, Department of Pediatrics, University of Toronto, Toronto, ON, Canada
| | - Marc Beltempo
- Division of Neonatology, Department of Pediatrics, McGill University, Montreal, QC, Canada
| | - Kellie E Murphy
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON, Canada
| | - Sarah D McDonald
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada
- Department of Radiology, McMaster University, Hamilton, ON, Canada
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, McMaster University, Hamilton, ON, L8S 4K1, Canada
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Decreased head circumference at birth associated with maternal tobacco smoke exposure during pregnancy on the Japanese prospective birth cohort study. Sci Rep 2021; 11:18949. [PMID: 34556740 PMCID: PMC8460647 DOI: 10.1038/s41598-021-98311-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 09/06/2021] [Indexed: 02/08/2023] Open
Abstract
Maternal tobacco smoke exposure during pregnancy impairs fetal body size, including head circumference (HC) at birth; however, the mechanism still remains unclear. This analysis using a large prospective cohort study evaluated the impact of maternal tobacco exposure on their offspring's HC and the relationship with placental weight ratio (PWR) and placental abnormalities. Parents-children pairs (n = 84,856) were included from the 104,065 records of the Japan Environmental and Children's Study. Maternal perinatal clinical and social information by self-administered questionnaires, offspring's body size, and placental information were collected. Data were analyzed with binominal logistic regression analysis and path analysis. Logistic regression showed significantly elevated adjusted odds ratio (aOR) (1.653, 95% CI 1.387-1.969) for the impact of maternal smoking during pregnancy on their offspring's smaller HC at birth. Maternal exposure to environmental tobacco smoke in the non-smoking group did not increase aOR for the smaller HC. Path analysis showed that maternal smoking during pregnancy decreased the offspring's HC directly, but not indirectly via PWR or placental abnormalities. The quitting smoking during pregnancy group did not increase aOR for the smaller HC than the non-smoking group, suggesting that quitting smoking may reduce their offspring's neurological impairment even after pregnancy.
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Zhang Y, Gong F, Liu P, He Y, Wang H. Effects of prenatal methamphetamine exposure on birth outcomes, brain structure, and neurodevelopmental outcomes. Dev Neurosci 2021; 43:271-280. [PMID: 34139695 DOI: 10.1159/000517753] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 06/08/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Youyou Zhang
- Department of Geriatrics Neurology, The Second Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China
- NHC Key Laboratory of Forensic Science, Xi'an Jiaotong University, Xi'an, China
| | - Fuhua Gong
- Department of Geriatrics Neurology, The Second Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Pan Liu
- Department of Geriatrics Neurology, The Second Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Ya He
- Department of Geriatrics Neurology, The Second Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China
| | - Hui Wang
- Department of Geriatrics Neurology, The Second Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, China
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