“…The patients were recruited between November 1986 and September 1990 [14][15][16] and between January 1997 and December 2003, 17 mostly from the Department of Pediatrics and Adolescence, Oulu University Hospital, [14][15][16][17] but also from four other hospitals (Satakunta, Central Finland, Päijät-Häme, and South Karelian), 17 each of which is the only children's hospital in the region. The patients participated in our earlier risk factor and prevention trials of febrile seizures, [14][15][16][17] which reported their detailed follow-up schedules. [14][15][16][17] The study was carried out in accordance with the Declaration of Helsinki, the ethics committee of the University of Oulu Medical Faculty approved the protocols of the study, and the parents provided written, informed consent.…”