[1] Erasmus MC Sophia Childrens Hosp, Univ Med Ctr, NL-3000 CA Rotterdam, Netherlands
[2] Erasmus MC Sophia Childrens Hosp, Univ Med Ctr, Dept Pediat Surg, NL-3000 CA Rotterdam, Netherlands
[3] Univ Med Ctr, Erasmus MC, Pain Expertise Ctr, Rotterdam, Netherlands
[4] Twentse Care Ctr t Bouwhuis, Inst Intellectually Disabled, NL-7500 CC Enschede, Netherlands
[5] Vrije Univ Amsterdam, Dept Clin Neuropsychol, Amsterdam, Netherlands