1 Division of Surgical Oncology and Endocrine Surgery, Department of Surgical Sciences, Vanderbilt University Medical Center, Nashville, TN, USA.
2 Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA.
3 Division of Otolaryngology, Head and Neck Surgery, Department of Surgical Sciences, Vanderbilt University Medical Center, Nashville, TN, USA.
4 Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA.
5 Division of Surgical Oncology and Endocrine Surgery, Department of Surgical Sciences, Vanderbilt University Medical Center, Nashville, TN, USA. kamran.idrees@vumc.org.