Control selection

MF Maral Adel Fahmideh
GT Giorgio Tettamanti
CL Catharina Lavebratt
MT Mats Talbäck
TM Tiit Mathiesen
BL Birgitta Lannering
KJ Kimberly J Johnson
MF Maria Feychting
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Ten controls per case were randomly selected from the eligible population, matched to the case on sex, birth year, and residence in Sweden at date of case detection.15 An additional eligibility criterion was that controls should not have a first- or second-degree relative diagnosed with a genetic syndrome.

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