Hakon Hakonarson and colleagues report the discovery of five new regions associated with susceptibility to early-onset inflammatory bowel disease. They also identify multiple loci previously implicated in the etiology of adult-onset Crohn's disease and/or ulcerative colitis as risk factors for early-onset forms of these diseases.
- Marcin Imielinski
- Robert N Baldassano
- Hakon Hakonarson
