[1] Univ Hosp Schleswig Holstein, Inst Pharmacol, Kiel, Germany
[2] Univ Greifswald, Inst Pharmacol, D-17487 Greifswald, Germany
[3] Univ Greifswald, Inst Epidemiol & Social Med, D-17487 Greifswald, Germany
[4] Univ Greifswald, Dept Neurol, D-17487 Greifswald, Germany