1. Department of Biostatistics, Epidemiology and Environmental Health Sciences, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, Georgia
2. Institute for Health Logistics & Analytics, Georgia Southern University, Statesboro, Georgia
3. Department of Population Health Sciences, School of Public Health, Georgia State University, Atlanta, Georgia
4. WHO Collaborating Centre for Infectious Disease Epidemiology and Control, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong