Friedman, S MD1,2,3; Magnussen, B MSc3; O'Toole, A MD4; Fedder, J MD, MSc, PhD5; Larsen, M D MSc, PhD3; Nørgård, B M MD, PhD, DMSc1,2,3
Author Information
1Center for Crohn's and Colitis, Brigham and Women's Hospital, Chestnut Hill, MA, USA. 2Harvard Medical School, Boston, MA, USA. 3Center for Clinical Epidemiology, Odense University hospital, and Research Unit of Clinical Epidemiology, institute of Clinical Research, University of southern Denmark, Odense, Denmark. 4Department of Gastroenterology, Beaumont hospital and Royal College of surgeons of ireland, Dublin, ireland. 5Centre of Andrology and Fertility Clinic, Department D, Odense University hospital, and Research Unit of human Reproduction, institute of Clinical Research, University of southern Denmark, Odense, Denmark.
Correspondence: s.F. (email: [email protected])
Received 18 February 2018; accepted 22 May 2018; Published online 10 July 2018
doi: 10.1038/s41395-018-0177-6