1. University of Michigan Medical School; Ann Arbor Michigan USA
2. Komfo-Anokye Teaching Hospital; Kumasi Ghana
3. Department of Otolaryngology-Head and Neck Surgery; Michigan Medicine; Ann Arbor Michigan USA
4. Program in Cellular and Molecular Biology; University of Michigan; Ann Arbor Michigan USA
5. Department of Pathology; Michigan Medicine; Ann Arbor Michigan USA
6. Department of Internal Medicine, Rogel Cancer Center; Michigan Medicine; Ann Arbor Michigan USA
7. Department of Epidemiology, School of Public Health; University of Michigan; Ann Arbor Michigan USA