Nico Wulffraat1. 1. Department of Paediatric Rheumatology, University Medical Center Utrecht, Utrecht 3508AB, Netherlands. Electronic address: n.wulffraat@umcutrecht.nl.
Authors: Rosanne M Smits; Dieuwke S Veldhuijzen; Henriet van Middendorp; Petra C E Hissink Muller; Wineke Armbrust; Elizabeth Legger; Nico M Wulffraat; Andrea W M Evers Journal: Pediatr Rheumatol Online J Date: 2020-02-07 Impact factor: 3.054