[1] Univ Basel Hosp, Neurol, CH-4031 Basel, Switzerland
[2] Univ Auckland Hamilton, Waikato Clin Sch, Anaesthesiol, Auckland, New Zealand
[3] Univ Basel, Swiss Trop & Publ Hlth Inst, Basel, Switzerland
[4] Univ Hosp Geneva, Neurol, Geneva, Switzerland
[5] Univ Med Sch, Fundamental Neurosci, Geneva, Switzerland