van Royen-Kerkhof Annet, Vastert Bas Sj, Swart Joost F, Wulffraat Nico M
Department of Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital University Medical Center, Utrecht, The Netherlands.
Immunotherapy. 2014;6(1):1-3. doi: 10.2217/imt.13.153.