1 School of Medicine, Meharry Medical College, Nashville, TN, USA.
2 Division of Surgical Oncology and Endocrine Surgery, Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, USA.
3 Division of Surgical Oncology and Endocrine Surgery, Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, USA. colleen.m.kiernan@vumc.org.