[1] Gelre Hosp, Lyme Ctr Apeldoorn, POB 9014, NL-7300 Apeldoorn, Netherlands
[2] Gelre Hosp, Dept Pediat, Apeldoorn, Netherlands
[3] Uppsala Univ, Ctr Clin Res Dalarna, Falun, Sweden
[4] Orebro Univ, Dept Med Sci, Orebro, Sweden
[5] Univ Amsterdam, Amsterdam Med Ctr, Dept Pediat, Amsterdam, Netherlands
[6] Univ Amsterdam, Amsterdam UMC Multidisciplinary Lyme borreliosis C, Amsterdam UMC Med Ctr, locat AMC, Amsterdam, Netherlands