{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T10:14:10Z","timestamp":1788430450227,"version":"build-2803163510"},"reference-count":26,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2021,2,1]],"date-time":"2021-02-01T00:00:00Z","timestamp":1612137600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,2,1]],"date-time":"2021-02-01T00:00:00Z","timestamp":1612137600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"name":"Neonatal Research Network of Japan"},{"name":"California Perinatal Quality Care Collaborative"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","jpeds.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["The Journal of Pediatrics"],"published-print":{"date-parts":[[2021,2]]},"DOI":"10.1016\/j.jpeds.2020.10.010","type":"journal-article","created":{"date-parts":[[2020,10,12]],"date-time":"2020-10-12T11:40:58Z","timestamp":1602502858000},"page":"182-190.e6","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":7,"special_numbering":"C","title":["Outcomes of Infants with Very Low Birth Weight Associated with Birthplace Difference: A Retrospective Cohort Study of Births in Japan and California"],"prefix":"10.1016","volume":"229","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5318-8877","authenticated-orcid":false,"given":"Satoshi","family":"Kusuda","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mihoko","family":"Bennett","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeffrey","family":"Gould","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.jpeds.2020.10.010_bib3","doi-asserted-by":"crossref","first-page":"170","DOI":"10.21037\/tp.2019.07.06","article-title":"The International Network for Evaluating Outcomes (iNeo) of neonates: evolution, progress and opportunities","volume":"8","author":"Shah","year":"2019","journal-title":"Transl Pediatr"},{"key":"10.1016\/j.jpeds.2020.10.010_bib4","doi-asserted-by":"crossref","first-page":"e1130","DOI":"10.1542\/peds.2005-2724","article-title":"Morbidity and mortality of infants with very low birth weight in Japan: center variation","volume":"118","author":"Kusuda","year":"2006","journal-title":"Pediatrics"},{"key":"10.1016\/j.jpeds.2020.10.010_bib5","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1016\/j.jpeds.2016.04.083","article-title":"Neonatal outcomes of very low birth weight and very preterm neonates: an international comparison","volume":"177","author":"Shah","year":"2016","journal-title":"J Pediatr"},{"key":"10.1016\/j.jpeds.2020.10.010_bib6","doi-asserted-by":"crossref","first-page":"e20183114","DOI":"10.1542\/peds.2018-3114","article-title":"Racial\/ethnic disparities in neonatal intensive care: a systematic review","volume":"144","author":"Sigurdson","year":"2019","journal-title":"Pediatrics"},{"key":"10.1016\/j.jpeds.2020.10.010_bib7","doi-asserted-by":"crossref","first-page":"349","DOI":"10.1097\/GRF.0b013e31816f276e","article-title":"Impact of environmental factors and poverty on pregnancy outcomes","volume":"51","author":"Weck","year":"2008","journal-title":"Clin Obstet Gynecol"},{"key":"10.1016\/j.jpeds.2020.10.010_bib8","doi-asserted-by":"crossref","first-page":"758","DOI":"10.1038\/s41372-020-0633-1","article-title":"Preterm birth outcomes among Asian women by maternal place of birth","volume":"40","author":"Girsen","year":"2020","journal-title":"J Perinatol"},{"key":"10.1016\/j.jpeds.2020.10.010_bib9","doi-asserted-by":"crossref","first-page":"1132","DOI":"10.1542\/peds.2015-0944","article-title":"Periventricular\/intraventricular hemorrhage and neurodevelopmental outcomes: a meta-analysis","volume":"136","author":"Mukerji","year":"2015","journal-title":"Pediatrics"},{"key":"10.1016\/j.jpeds.2020.10.010_bib10","doi-asserted-by":"crossref","first-page":"531","DOI":"10.1038\/pr.2012.114","article-title":"Trends in morbidity and mortality among very-low-birth-weight infants from 2003 to 2008 in Japan","volume":"72","author":"Kusuda","year":"2012","journal-title":"Pediatr Res"},{"key":"10.1016\/j.jpeds.2020.10.010_bib11","doi-asserted-by":"crossref","first-page":"24","DOI":"10.1016\/j.jpeds.2018.04.020","article-title":"Incidence trends and risk factor variation in severe intraventricular hemorrhage across a population based cohort","volume":"200","author":"Handley","year":"2018","journal-title":"J Pediatr"},{"key":"10.1016\/j.jpeds.2020.10.010_bib12","doi-asserted-by":"crossref","first-page":"492","DOI":"10.1016\/j.je.2016.09.013","article-title":"Pre-pregnancy BMI-specific optimal gestational weight gain for women in Japan","volume":"27","author":"Morisaki","year":"2017","journal-title":"J Epidemiol"},{"key":"10.1016\/j.jpeds.2020.10.010_bib13","doi-asserted-by":"crossref","first-page":"377","DOI":"10.1038\/s41372-019-0488-5","article-title":"Clinical deterioration during neonatal transport in California","volume":"40","author":"Pai","year":"2019","journal-title":"J Perinatol"},{"key":"10.1016\/j.jpeds.2020.10.010_bib14","doi-asserted-by":"crossref","first-page":"l5678","DOI":"10.1136\/bmj.l5678","article-title":"Association of early postnatal transfer and birth outside a tertiary hospital with mortality and severe brain injury in extremely preterm infants: observational cohort study with propensity score matching","volume":"367","author":"Helenius","year":"2019","journal-title":"BMJ"},{"key":"10.1016\/j.jpeds.2020.10.010_bib15","doi-asserted-by":"crossref","first-page":"638","DOI":"10.1097\/PCC.0000000000001937","article-title":"Risk of severe intraventricular hemorrhage in the first week of life in preterm infants transported before 72 hours of age","volume":"20","author":"Shipley","year":"2019","journal-title":"Pediatr Crit Care Med"},{"key":"10.1016\/j.jpeds.2020.10.010_bib16","doi-asserted-by":"crossref","first-page":"963","DOI":"10.1097\/PCC.0000000000002037","article-title":"Short- and long-term outcomes of extremely preterm Infants in Japan according to outborn\/inborn birth status","volume":"20","author":"Sasaki","year":"2019","journal-title":"Pediatr Crit Care Med"},{"key":"10.1016\/j.jpeds.2020.10.010_bib17","article-title":"Outcomes of outborn very-low-birth-weight infants in Japan: inverse-probability-of-treatment weighting analysis","author":"Hirata","year":"2020","journal-title":"Arch Dis Child Fetal Neonatal Ed"},{"key":"10.1016\/j.jpeds.2020.10.010_bib18","doi-asserted-by":"crossref","first-page":"1122","DOI":"10.1038\/jp.2016.102","article-title":"Characteristics of neonatal transports in California","volume":"36","author":"Akula","year":"2016","journal-title":"J Perinatol"},{"key":"10.1016\/j.jpeds.2020.10.010_bib19","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1353\/dem.2006.0011","article-title":"Unhealthy assimilation: why do immigrants converge to American health status levels?","volume":"43","author":"Antecol","year":"2006","journal-title":"Demography"},{"key":"10.1016\/j.jpeds.2020.10.010_bib20","doi-asserted-by":"crossref","first-page":"289","DOI":"10.1006\/ssre.2000.0699","article-title":"Measuring marital assimilation: intermarriage among natives and immigrants","volume":"30","author":"Qian","year":"2001","journal-title":"Soc Sci Res"},{"key":"10.1016\/j.jpeds.2020.10.010_bib21","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1186\/s41043-019-0174-4","article-title":"Association between environmental factors and BMI: evidence from recent immigrants from developing countries","volume":"38","author":"Katare","year":"2019","journal-title":"J Health Popul Nutr"},{"key":"10.1016\/j.jpeds.2020.10.010_bib22","doi-asserted-by":"crossref","first-page":"643","DOI":"10.1017\/S002193200502701X","article-title":"The influence of antenatal and maternal factors on stillbirths and neonatal deaths in New South Wales, Australia","volume":"38","author":"Mohsin","year":"2006","journal-title":"J Biosoc Sci"},{"key":"10.1016\/j.jpeds.2020.10.010_bib23","doi-asserted-by":"crossref","first-page":"1088","DOI":"10.1038\/jp.2017.104","article-title":"'The obesity paradox': a reconsideration of obesity and the risk of preterm birth","volume":"37","author":"Tsur","year":"2017","journal-title":"J Perinatol"},{"key":"10.1016\/j.jpeds.2020.10.010_bib24","doi-asserted-by":"crossref","first-page":"e0222458","DOI":"10.1371\/journal.pone.0222458","article-title":"Trends in maternal prepregnancy body mass index (BMI) and its association with birth and maternal outcomes in California, 2007-2016: a retrospective cohort study","volume":"14","author":"Ratnasiri","year":"2019","journal-title":"PLoS One"},{"key":"10.1016\/j.jpeds.2020.10.010_bib25","doi-asserted-by":"crossref","first-page":"e016258","DOI":"10.1136\/bmjopen-2017-016258","article-title":"Impact of adolescent age on maternal and neonatal outcomes in the born in Bradford cohort","volume":"8","author":"Marvin-Dowle","year":"2018","journal-title":"BMJ Open"},{"key":"10.1016\/j.jpeds.2020.10.010_bib26","doi-asserted-by":"crossref","first-page":"689","DOI":"10.1016\/j.annepidem.2017.10.005","article-title":"Preterm delivery trends by maternal race\/ethnicity in the United States, 2006-2012","volume":"27","author":"Margerison-Zilko","year":"2017","journal-title":"Ann Epidemiol"},{"key":"10.1016\/j.jpeds.2020.10.010_bib27","doi-asserted-by":"crossref","first-page":"225","DOI":"10.1093\/oxfordjournals.aje.a112296","article-title":"Acculturation and coronary heart disease in Japanese-Americans","volume":"104","author":"Marmot","year":"1976","journal-title":"Am J Epidemiol"},{"key":"10.1016\/j.jpeds.2020.10.010_bib28","doi-asserted-by":"crossref","first-page":"455","DOI":"10.1001\/jamapediatrics.2019.0241","article-title":"Racial segregation and inequality in the neonatal intensive care unit for very low-birth-weight and very preterm Infants","volume":"173","author":"Horbar","year":"2019","journal-title":"JAMA Pediatr"}],"container-title":["The Journal of Pediatrics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022347620312725?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022347620312725?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T09:07:05Z","timestamp":1758359225000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0022347620312725"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,2]]},"references-count":26,"alternative-id":["S0022347620312725"],"URL":"https:\/\/doi.org\/10.1016\/j.jpeds.2020.10.010","relation":{},"ISSN":["0022-3476"],"issn-type":[{"value":"0022-3476","type":"print"}],"subject":[],"published":{"date-parts":[[2021,2]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Outcomes of Infants with Very Low Birth Weight Associated with Birthplace Difference: A Retrospective Cohort Study of Births in Japan and California","name":"articletitle","label":"Article Title"},{"value":"The Journal of Pediatrics","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jpeds.2020.10.010","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}