[1] Univ Hosp Zurich, Dept Neurol, CH-8091 Zurich, Switzerland
[2] Zurzach Care, CH-5330 Bad Zurzach, Switzerland
[3] Migraine Act Switzerland, CH-4103 Bottmingen, Switzerland
[4] Univ Hosp Zurich, Dept Reprod Endocrinol, CH-8091 Zurich, Switzerland
[5] Univ Basel, Dept Pharmaceut Sci, CH-4001 Basel, Switzerland