Authors: Ronald F van Vollenhoven; Pierre Geborek; Kristina Forslind; Kristina Albertsson; Sofia Ernestam; Ingemar F Petersson; Katerina Chatzidionysiou; Johan Bratt Journal: Lancet Date: 2012-03-29 Impact factor: 79.321
Authors: Jonas K Eriksson; Martin Neovius; Johan Bratt; Ingemar F Petersson; Ronald F van Vollenhoven; Pierre Geborek; Sofia Ernestam Journal: JAMA Intern Med Date: 2013-08-12 Impact factor: 21.873