[1] Karolinska Inst, Dept Global Publ Hlth, Stockholm, Sweden
[2] Karolinska Univ Hosp, Paediat Rheumatol Unit, Stockholm, Sweden
[3] Stockholm Healthcare Serv, CAP Res Ctr, Paediat Immunopsychiat Unit, Stockholm, Sweden
[4] Uppsala Univ, Dept Womens & Childrens Hlth, Int Maternal & Child Hlth, Uppsala, Sweden
[5] South Gen Hosp, Sachs Children & Youth Hosp, Stockholm, Sweden
[6] KTH Royal Inst Technol, Dept Prot Sci, Div Nanobiotechnol, Sci Life Lab, Stockholm, Sweden