1 Division of Clinical Pharmacology and Toxicology, Institute of Pharmacological Sciences of Southern Switzerland, Ente Ospedaliero Cantonale, Via Tesserete 46, 6900, Lugano, Switzerland.
2 Pharmacovigilance Unit, Swissmedic, Bern, Switzerland.
3 Division of Clinical Pharmacology and Toxicology, Institute of Pharmacological Sciences of Southern Switzerland, Ente Ospedaliero Cantonale, Via Tesserete 46, 6900, Lugano, Switzerland. Alessandro.Ceschi@eoc.ch.