1. From the Departments of Food Technology (KK, AK, and HT) and Medical Genetics (LP and MP), University of Helsinki, Helsinki, Finland; the Folkhälsan Research Institute, Helsinki, Finland (MW); the Department of Molecular Medicine, National Public Health Institute, Helsinki, Finland (KK, AK, and MP); the Department of Neurology, Helsinki University Central Hospital, Helsinki, Finland (MK); the Fin