[1] Univ Maryland, Sch Med, Dept Dermatol, Baltimore, MD USA
[2] Univ Maryland, Sch Med, Maryland Itch Ctr, Baltimore, MD USA
[3] Univ Hosp Munster, Dept Dermatol, Munster, Germany
[4] Univ Hosp Munster, Ctr Chron Pruritus, Munster, Germany
[5] Univ Miami, Miami Itch Ctr, Dr Philip Frost Dept Dermatol & Cutaneous Surg, Miami, FL USA
[6] Icahn Sch Med Mt Sinai, Mark Lebwohl Ctr Neuroinflammat & Sensat, Dept Dermatol, New York, NY USA
[7] Dermatol Phys Connecticut, Fairfield, CT USA
[8] Sanofi, 450 Water St, Cambridge, MA 02141 USA