... Internal Medicine, MayoClinic, Rochester, Minnesota; Assistant Professor of Medicine, College of Medicine, Mayo ClinicTimothy R. Aksamit, MDConsultant, Division of Pulmonary and Critical Care Medicine, Mayo ... Medicine, College of Medicine, Mayo ClinicThomas J. Beckman, MDConsultant, Division of General Internal Medicine, MayoClinic, Rochester, Minnesota; Associate Professor of Medicine, College of Medicine, ... Professor of Medicine, Collegeof Medicine, Mayo ClinicC. Christopher Hook, MDConsultant, Division of Hematology, Mayo Clinic, Rochester,Minnesota; Assistant Professor of Medicine, College of Medicine, ...