1. The Buncke Clinic and Division of Microsurgery, California Pacific Medical Center, San Francisco, California
2. Division of Plastic and Reconstructive Surgery, University of California, Los Angeles, California
3. Division of Plastic and Reconstructive Surgery, University of California, San Francisco, California
4. Kryger Institute of Plastic Surgery, Thousand Oaks, California
5. Division of Plastic and Reconstructive Surgery, The University of Chicago, Chicago, Illinois