1. Department of DermatologyYale University New Haven Connecticut
2. Department of PathologyYale University New Haven Connecticut
3. Department of DermatologyUniversity of Illinois at Chicago Chicago Illinois
4. Dermatology Associates of West Michigan Grand Rapids Michigan
5. Department of Pediatrics and DermatologyNationwide Children's Hospital and The Ohio State University College of Medicine Columbus Ohio
6. Department of Dermatology, Ann and Robert H. Lurie Children's Hospital of Chicago and Feinberg School of MedicineNorthwestern University Chicago Illinois