Aileen M Feschuk Faculty of Medicine, Memorial University of Newfoundland, St. John’s, NL, Canada Rebecca M Law, PharmDSchool of Pharmacy, Memorial University of NewfoundlandFaculty of Medicine, Memorial University of NewfoundlandSt. John’s, NL, Canada Howard I Maibach, MDDepartment of Dermatology, University of California San Francisco, San Francisco, CA, USA