1. Department of Clinical Pharmacy and Translational Science, College of Pharmacy, University of Tennessee Health Science Center, Nashville, TN 37211, USA
2. Department of Public Health, University of Tennessee Knoxville, Knoxville, TN 37996, USA
3. Department of Environmental, Agricultural & Occupational Health, College of Public Health, University of Nebraska Medical Center, Omaha, NE 68198, USA
4. US Health Outcomes Vaccines, GSK, Philadelphia, PA 19104, USA