1 Private Practice, Retired, Cedar Rapids Dermatology, Cedar Rapids, Iowa.
2 Department of Pediatrics, University of California San Diego, Rady Children's Hospital, San Diego, Calif; Department of Pediatrics, University of Iowa, Iowa City, Iowa. Electronic address: miles-weinberger@uiowa.edu.
3 Pinpoint Pest Control, San Diego, Calif.
4 Professional Entomology Services, San Diego, Calif.