1. Hospital Pharmacy, University Hospital Basel, Basel, Switzerland
2. Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
3. Division of Clinical Neurophysiology, Department of Neurology, University Hospital Basel and University of Basel, Basel, Switzerland
4. Service of Pharmacy, Lausanne University Hospital and University of Lausanne, Switzerland
5. Center for Research and Innovation in Clinical Pharmaceutical Sciences, Institute for Pharmaceutical Sciences of Western Switzerland, Switzerland
6. Boston Collaborative Drug Surveillance Program, Lexington, MA, United States