1University of Nebraska Medical Center, Omaha, NE2Marshfield Clinic Research Foundation, Marshfield, WI3Yale University School of Medicine, New Haven, CT4Brown University, Providence, RI5University of California, San Francisco, and San Francisco General Hospital, San Francisco, CA6The University of Alabama School of Medicine, Birmingham, AL7University of Washington School of Medicine and Swedish Physicians–Central Seattle Clinic, Seattle, WA8Mayo Clinic, Rochester, MN9University of Virginia, Charlottesville, VA10University of Vermont College of Medicine, Burlington, VT11American Melanoma Foundation, San Diego, CA