Duke University - Department of Surgery, Emory University - Department of Pathology and Laboratory Medicine, Harvard University - Massachusetts General Hospital, University of Pennsylvania - Department of Pathology and Laboratory Medicine, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán - Departamento de Patología, New York University (NYU) - Department of Surgery, University of Oxford - Nuffield Department of Surgical Sciences, Duke University - Department of Surgery, Westmead Hospital - Department of Renal Medicine, Harvard University - Division of Plastic Surgery, University of Pennsylvania - Department of Pathology and Laboratory Medicine, Duke University - Department of Surgery, University of Maryland - Department of Pathology, Ed. Herriot Hospital - Department of Dermatology and Duke University, School of Medicine, Department of Pathology