[1] Kantonsspital Munsterlingen, Dept Internal Med, Clin Hematol & Oncol, CH-8596 Munsterlingen, Switzerland
[2] Kantonsspital Munsterlingen, Dept Internal Med, Neurol Clin, CH-8596 Munsterlingen, Switzerland
[3] Fremantle Hosp & Hlth Serv, Fremantle, WA 6959, Australia