1. Clinical Pharmacology AbbVie Madison NJ USA
2. Headache Center of Southern California Carlsbad CA USA
3. Bioanalysis, Non‐clinical and Translational Sciences AbbVie Irvine CA USA
4. The Saul R. Korey Department of Neurology, Department of Psychiatry and Behaviorial Sciences, Department of Epidemiology & Population Health Albert Einstein College of Medicine Bronx NY USA