1. Animal Dermatology Clinic, Louisville, Kentucky (J.M.);
2. VCA Aurora Animal Hospital, Aurora, Illinois (A.S.);
3. Allergy, Skin and Ear Clinic for Pets, Livonia, Michigan (P.B.);
4. Animal Dermatology Clinic-Austin, Austin, Texas (A.D.);
5. Texas A&M University, College Station, Texas (A.F.);
6. St. George’s University, St. George’s, Grenada (T.P.);
7. The Ohio State University, Columbus, Ohio (M.W.);
8. U-Vet Animal Clinic, Newburgh, Indiana (C-M.Y.)