Authors: Sindhu R Johnson; Jaap Fransen; Dinesh Khanna; Murray Baron; Frank van den Hoogen; Thomas A Medsger; Christine A Peschken; Patricia E Carreira; Gabriela Riemekasten; Alan Tyndall; Marco Matucci-Cerinic; Janet E Pope Journal: Arthritis Care Res (Hoboken) Date: 2012-03 Impact factor: 4.794