UC Davis Medical Center Department of Dermatology, Sacramento, California, United States
University of California, Davis Medical Center Department of Dermatology, Sacramento, California, United States
University of California, Davis Medical Center Department of Dermatology, Sacramento, California, United States
University of California Davis Medical Center, Sacramento, California, United States
Hospital de Gineco Obstetrica #4 "Luis Castelazo Ayala" del Instituto Mexicano del Seguro Social, Mexico City, Distrito Federal, Mexico
UC Davis Cancer Center, Sacramento, California, United States
Kaiser Permanente Northern California, Oakland, California, United States
VA Northern California Health Care System, Mather, California, United States
UC Davis Cancer Center, Sacramento, California, United States
Coordinating Center: University of California, Davis Medical Center, Department of Neurological Surgery, Sacramento, California, United States
University of Washington - Harborview Medical Center, Seattle, Washington, United States
Vanderbilt University Medical Center, Nashville, Tennessee, United States
University of California Davis Medical Center, Sacramento, California, United States