Correspondence to Dr Marieke L Duiverman, Department of Pulmonary Diseases/Home Mechanical Ventilation, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, The Netherlands ...
Ole-Bjørn Tysnes, specialist in neurology, senior consultant at the Department of Neurology, Haukeland University Hospital and adjunct professor at the Department of Clinical Medicine, University of ...