{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T16:46:33Z","timestamp":1787244393029,"version":"build-2736575974"},"reference-count":22,"publisher":"XMLink","issue":"15","license":[{"start":{"date-parts":[[2018,1,1]],"date-time":"2018-01-01T00:00:00Z","timestamp":1514764800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2018,1,1]],"date-time":"2018-01-01T00:00:00Z","timestamp":1514764800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["synapse.koreamed.org"],"crossmark-restriction":false},"short-container-title":["J Korean Med Sci"],"DOI":"10.3346\/jkms.2018.33.e117","type":"journal-article","created":{"date-parts":[[2018,3,28]],"date-time":"2018-03-28T20:29:51Z","timestamp":1522268991000},"update-policy":"https:\/\/doi.org\/10.3346\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Training Effect on the Inter-observer Agreement in Endoscopic Diagnosis and Grading of Atrophic Gastritis according to Level of Endoscopic Experience"],"prefix":"10.3346","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2126-3315","authenticated-orcid":false,"given":"Eun Hyo","family":"Jin","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0983-8446","authenticated-orcid":false,"given":"Su Jin","family":"Chung","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8437-096X","authenticated-orcid":false,"given":"Joo Hyun","family":"Lim","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8344-7737","authenticated-orcid":false,"given":"Goh Eun","family":"Chung","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5839-6576","authenticated-orcid":false,"given":"Changhyun","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1625-8271","authenticated-orcid":false,"given":"Jong In","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6835-4735","authenticated-orcid":false,"given":"Joo Sung","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea."},{"name":"Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"18617","published-online":{"date-parts":[[2018]]},"reference":[{"issue":"1","key":"10.3346\/jkms.2018.33.e117_ref1","doi-asserted-by":"crossref","first-page":"138","DOI":"10.1002\/ijc.11680","volume":"109","author":"Ohata","year":"2004","journal-title":"Int J Cancer"},{"issue":"1","key":"10.3346\/jkms.2018.33.e117_ref2","doi-asserted-by":"crossref","first-page":"60","DOI":"10.1172\/JCI30111","volume":"117","author":"Fox","year":"2007","journal-title":"J Clin Invest"},{"issue":"1","key":"10.3346\/jkms.2018.33.e117_ref3","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1159\/000368807","volume":"91","author":"Masuyama","year":"2015","journal-title":"Digestion"},{"issue":"4","key":"10.3346\/jkms.2018.33.e117_ref4","doi-asserted-by":"crossref","first-page":"245","DOI":"10.1111\/j.1523-5378.2008.00604.x","volume":"13","author":"Kim","year":"2008","journal-title":"Helicobacter"},{"issue":"1","key":"10.3346\/jkms.2018.33.e117_ref5","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1016\/S0304-3835(00)00603-0","volume":"161","author":"Inoue","year":"2000","journal-title":"Cancer Lett"},{"issue":"3","key":"10.3346\/jkms.2018.33.e117_ref6","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1055\/s-0028-1098086","volume":"1","author":"Kimura","year":"1969","journal-title":"Endoscopy"},{"issue":"11","key":"10.3346\/jkms.2018.33.e117_ref7","doi-asserted-by":"crossref","first-page":"1077","DOI":"10.1080\/003655299750024850","volume":"34","author":"Yoshimura","year":"1999","journal-title":"Scand J Gastroenterol"},{"issue":"2","key":"10.3346\/jkms.2018.33.e117_ref8","doi-asserted-by":"crossref","first-page":"123","DOI":"10.1007\/s00535-004-1511-x","volume":"40","author":"Liu","year":"2005","journal-title":"J Gastroenterol"},{"key":"10.3346\/jkms.2018.33.e117_ref9","volume-title":"Practical Statistics for Medical Research","author":"Altman","year":"1991"},{"issue":"5","key":"10.3346\/jkms.2018.33.e117_ref10","doi-asserted-by":"crossref","first-page":"796","DOI":"10.3346\/jkms.2017.32.5.796","volume":"32","author":"Lee","year":"2017","journal-title":"J Korean Med Sci"},{"issue":"5","key":"10.3346\/jkms.2018.33.e117_ref11","doi-asserted-by":"crossref","first-page":"1807","DOI":"10.1053\/j.gastro.2005.09.056","volume":"129","author":"Rugge","year":"2005","journal-title":"Gastroenterology"},{"issue":"1","key":"10.3346\/jkms.2018.33.e117_ref12","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1007\/s00535-009-0150-7","volume":"45","author":"Inoue","year":"2010","journal-title":"J Gastroenterol"},{"issue":"1","key":"10.3346\/jkms.2018.33.e117_ref13","doi-asserted-by":"crossref","first-page":"47","DOI":"10.15430\/JCP.2014.19.1.47","volume":"19","author":"Lee","year":"2014","journal-title":"J Cancer Prev"},{"issue":"10","key":"10.3346\/jkms.2018.33.e117_ref14","doi-asserted-by":"crossref","first-page":"1910","DOI":"10.1111\/j.1572-0241.2004.40614.x","volume":"99","author":"Ricci","year":"2004","journal-title":"Am J Gastroenterol"},{"issue":"2","key":"10.3346\/jkms.2018.33.e117_ref15","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1111\/j.1440-1746.2010.06474.x","volume":"26","author":"Quach","year":"2011","journal-title":"J Gastroenterol Hepatol"},{"issue":"4","key":"10.3346\/jkms.2018.33.e117_ref16","doi-asserted-by":"crossref","first-page":"1119","DOI":"10.1007\/s10620-010-1531-8","volume":"56","author":"Ahn","year":"2011","journal-title":"Dig Dis Sci"},{"issue":"2","key":"10.3346\/jkms.2018.33.e117_ref17","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1111\/hel.12027","volume":"18","author":"Quach","year":"2013","journal-title":"Helicobacter"},{"issue":"6","key":"10.3346\/jkms.2018.33.e117_ref18","doi-asserted-by":"crossref","first-page":"1083","DOI":"10.1158\/1055-9965.EPI-05-0931","volume":"15","author":"Weck","year":"2006","journal-title":"Cancer Epidemiol Biomarkers Prev"},{"issue":"3","key":"10.3346\/jkms.2018.33.e117_ref19","doi-asserted-by":"crossref","first-page":"224","DOI":"10.1111\/j.1523-5378.2012.00938.x","volume":"17","author":"Kanzaki","year":"2012","journal-title":"Helicobacter"},{"issue":"11","key":"10.3346\/jkms.2018.33.e117_ref20","doi-asserted-by":"crossref","first-page":"946","DOI":"10.1055\/s-2003-43479","volume":"35","author":"Red\u00e9en","year":"2003","journal-title":"Endoscopy"},{"key":"10.3346\/jkms.2018.33.e117_ref21","doi-asserted-by":"crossref","first-page":"128","DOI":"10.1186\/1471-230X-13-128","volume":"13","author":"Watanabe","year":"2013","journal-title":"BMC Gastroenterol"},{"issue":"5","key":"10.3346\/jkms.2018.33.e117_ref22","doi-asserted-by":"crossref","first-page":"744","DOI":"10.3346\/jkms.2013.28.5.744","volume":"28","author":"Hyun","year":"2013","journal-title":"J Korean Med Sci"}],"container-title":["Journal of Korean Medical Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/jkms.org\/pdf\/10.3346\/jkms.2018.33.e117","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/jkms.org\/DOIx.php?id=10.3346\/jkms.2018.33.e117","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/jkms.org\/DOIx.php?id=10.3346\/jkms.2018.33.e117","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,5,15]],"date-time":"2020-05-15T02:37:45Z","timestamp":1589510265000},"score":1,"resource":{"primary":{"URL":"https:\/\/jkms.org\/DOIx.php?id=10.3346\/jkms.2018.33.e117"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018]]},"references-count":22,"journal-issue":{"issue":"15","published-online":{"date-parts":[[2018]]}},"URL":"https:\/\/doi.org\/10.3346\/jkms.2018.33.e117","relation":{},"ISSN":["1011-8934","1598-6357"],"issn-type":[{"value":"1011-8934","type":"print"},{"value":"1598-6357","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018]]},"assertion":[{"value":"2017-09-18","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2018-02-01","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2018-03-23","name":"published_online","label":"Published online","group":{"name":"publication_history","label":"Publication History"}},{"value":"\u00a9 2018 The Korean Academy of Medical Sciences.","name":"copyright","label":"Copyright","group":{"name":"Copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.","name":"license","label":"License","explanation":{"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},"group":{"name":"Copyright_and_licensing","label":"Copyright and Licensing"}}],"article-number":"e117"}}