United States (USA) (US)

University of Pittsburgh University / College Pittsburgh, PA University of Pittsburgh Cancer Institute (UPCI) University / College Pittsburgh, PA University of Pittsburgh Medical Center (UPMC) Hospital Pittsburgh, PA University of Puerto Rico at Río Piedras University / College San Juan University of Redlands University / College Redlands University of Rhode Island University / College Kingston University of Richmond (UR) / Universidad de Richmond University / College Richmond University of Rochester Medical Center Rochester, NY Hospital Rochester, NY University of Rochester (UR) University / College Rochester, NY University of San Francisco (USF) University / College San Francisco