1. Yang SK, Yun S, Kim JH, et al. Epidemiology of inflammatory bowel disease in the Songpa-Kangdong district, Seoul, Korea, 1986-2005: a KASID study. Inflamm Bowel Dis. 2008; 14:542–549. PMID:
17941073.
Article
2. Lee JW, Im JP, Cheon JH, Kim YS, Kim JS, Han DS. Inflammatory bowel disease cohort studies in Korea: present and future. Intest Res. 2015; 13:213–218. PMID:
26130995.
Article
3. Choi JH, Kim ES, Cho KB, et al. Old age at diagnosis is associated with favorable outcomes in Korean patients with inflammatory bowel disease. Intest Res. 2015; 13:60–67. PMID:
25691844.
Article
4. Sewell JL, Velayos FS. Systematic review: the role of race and socioeconomic factors on IBD healthcare delivery and effectiveness. Inflamm Bowel Dis. 2013; 19:627–643. PMID:
22623078.
5. Peyrin-Biroulet L, Cieza A, Sandborn WJ, et al. Development of the first disability index for inflammatory bowel disease based on the international classification of functioning, disability and health. Gut. 2012; 61:241–247. PMID:
21646246.
Article
6. Peyrin-Biroulet L, Billioud V, D'Haens G, et al. Development of the Paris definition of early Crohn's disease for disease-modification trials: results of an international expert opinion process. Am J Gastroenterol. 2012; 107:1770–1776. PMID:
23211844.
Article
7. Hu PJ. Inflammatory bowel disease in Asia: the challenges and opportunities. Intest Res. 2015; 13:188–190. PMID:
26130991.
Article
8. Lönnfors S, Vermeire S, Greco M, Hommes D, Bell C, Avedano L. IBD and health-related quality of life: discovering the true impact. J Crohns Colitis. 2014; 8:1281–1286. PMID:
24662394.
9. Romberg-Camps MJ, Bol Y, Dagnelie PC, et al. Fatigue and health-related quality of life in inflammatory bowel disease: results from a population-based study in the Netherlands: the IBD-South Limburg cohort. Inflamm Bowel Dis. 2010; 16:2137–2147. PMID:
20848468.
Article
10. Haapamäki J, Roine RP, Sintonen H, Turunen U, Färkkilä MA, Arkkila PE. Health-related quality of life in inflammatory bowel disease measured with the generic 15D instrument. Qual Life Res. 2010; 19:919–928. PMID:
20361263.
Article
11. Sajadinejad MS, Asgari K, Molavi H, Kalantari M, Adibi P. Psychological issues in inflammatory bowel disease: an overview. Gastroenterol Res Pract. 2012; 2012:106502. PMID:
22778720.
Article
12. Hall NJ, Rubin GP, Dougall A, Hungin AP, Neely J. The fight for ‘health-related normality’: a qualitative study of the experiences of individuals living with established inflammatory bowel disease (IBD). J Health Psychol. 2005; 10:443–455. PMID:
15857873.
Article
13. Jelsness-Jørgensen LP, Bernklev T, Henriksen M, Torp R, Moum BA. Chronic fatigue is associated with impaired health-related quality of life in inflammatory bowel disease. Aliment Pharmacol Ther. 2011; 33:106–114. PMID:
21083587.
Article
14. Yoo S, Jung YS, Park JH, et al. Fatigue severity and factors associated with high fatigue levels in Korean patients with inflammatory bowel disease. Gut Liver. 2014; 8:148–153. PMID:
24672655.
Article
15. Thia KT, Sandborn WJ, Harmsen WS, Zinsmeister AR, Loftus EV Jr. Risk factors associated with progression to intestinal complications of Crohn's disease in a population-based cohort. Gastroenterology. 2010; 139:1147–1155. PMID:
20637205.
Article
16. Kim YS. What is the important issue to prevent the postoperative Crohn's disease? Intest Res. 2014; 12:85–86. PMID:
25349572.
Article
17. Danese S, Fiorino G, Mary JY, et al. Development of red flags index for early referral of adults with symptoms and signs suggestive of Crohn's disease: an IOIBD initiative. J Crohns Colitis. 2015; 9:601–606. PMID:
25908718.
Article
18. Kim ES, Kim WH. Inflammatory bowel disease in Korea: epidemiological, genomic, clinical, and therapeutic characteristics. Gut Liver. 2010; 4:1–14. PMID:
20479907.
Article
19. Devlen J, Beusterien K, Yen L, Ahmed A, Cheifetz AS, Moss AC. The burden of inflammatory bowel disease: a patient-reported qualitative analysis and development of a conceptual model. Inflamm Bowel Dis. 2014; 20:545–552. PMID:
24407484.
20. Dignass A, Van Assche G, Lindsay JO, et al. The second European evidence-based consensus on the diagnosis and management of Crohn's disease: current management. J Crohns Colitis. 2010; 4:28–62. PMID:
21122489.
Article
21. Ye BD, Yang SK, Shin SJ, et al. Guidelines for the management of Crohn's disease. Intest Res. 2012; 10:26–66.
Article
22. Choi CH, Kim YH, Kim YS, et al. Guidelines for the management of ulcerative colitis. Intest Res. 2012; 10:1–25.
Article
23. Walker JR, Ediger JP, Graff LA, et al. The Manitoba IBD cohort study: a population-based study of the prevalence of lifetime and 12-month anxiety and mood disorders. Am J Gastroenterol. 2008; 103:1989–1997. PMID:
18796096.
Article
24. Mittermaier C, Dejaco C, Waldhoer T, et al. Impact of depressive mood on relapse in patients with inflammatory bowel disease: a prospective 18-month follow-up study. Psychosom Med. 2004; 66:79–84. PMID:
14747641.
Article
25. Addolorato G, Capristo E, Stefanini GF, Gasbarrini G. Inflammatory bowel disease: a study of the association between anxiety and depression, physical morbidity, and nutritional status. Scand J Gastroenterol. 1997; 32:1013–1021. PMID:
9361174.
Article
26. Kim ES, Cho KB, Park KS, et al. Predictive factors of impaired quality of life in Korean patients with inactive inflammatory bowel disease: association with functional gastrointestinal disorders and mood disorders. J Clin Gastroenterol. 2013; 47:e38–e44. PMID:
23090047.
27. Bernklev T, Jahnsen J, Henriksen M, et al. Relationship between sick leave, unemployment, disability, and health-related quality of life in patients with inflammatory bowel disease. Inflamm Bowel Dis. 2006; 12:402–412. PMID:
16670530.
Article
28. Daniel JM. Young adults' perceptions of living with chronic inflammatory bowel disease. Gastroenterol Nurs. 2002; 25:83–94. PMID:
12055376.
Article
29. Kemp K, Griffiths J, Lovell K. Understanding the health and social care needs of people living with IBD: a meta-synthesis of the evidence. World J Gastroenterol. 2012; 18:6240–6249. PMID:
23180944.
Article