[1] Hlth Care Serv Stockholm Cty SLSO, Speech Therapy Clin, Stockholm, Region Stockhol, Sweden
[2] Karolinska Inst KI, Karolinska Univ Hosp, Div Speech & Language Pathol, Dept Clin Sci Intervent & Technol CLINTEC,Med Unit, Stockholm, Sweden
[3] Danderyd Hosp, Dept Neurol, Div Speech & Language Pathol, Stockholm, Sweden
[4] Univ Gothenburg, Sahlgrenska Acad, Inst Neurosci & Physiol, Div Speech & Language Pathol, Box 452, SE-40530 Gothenburg, Sweden