1. Division of Plastic and Reconstructive Surgery, Keck School of Medicine of University of South California, Los Angeles, California
2. Wilson Dental Library, Herman Ostrow School of Dentistry of University of South California, Los Angeles, California
3. Department of Neurological Surgery, Keck School of Medicine of University of South California, Los Angeles, California
4. Division of Plastic Surgery, City of Hope National Medical Center, Duarte, California