1. Division of Oculofacial Plastic and Reconstructive Surgery, Department of Ophthalmology, University of California, San Diego, La Jolla, California, U.S.A.;
2. Pediatric Ophthalmology and Strabismus Division, Department of Ophthalmology, University of California, Los Angeles, Los Angeles, California, U.S.A.
3. Department of Medicine Statistics Core, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, U.S.A.
4. Division of Pediatric Ophthalmology and Adult Strabismus, Department of Ophthalmology, University of California, San Diego, La Jolla, California, U.S.A.
5. Orbital and Ophthalmic Plastic Surgery Division, Department of Ophthalmology, University of California, Los Angeles, Los Angeles, California, U.S.A.
6. Division of Plastic Surgery, Department of Surgery, University of California, San Diego, La Jolla, California, U.S.A.
7. Department of Neurology, University of California, Los Angeles, Los Angeles, California, U.S.A.; and
8. Department of Bioengineering, University of California, Los Angeles, Los Angeles, California, U.S.A.