1. Department of Emergency Medicine, Emory School of Medicine, Atlanta, Georgia, USA.
2. Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA.
3. Department of Behavioral, Social and Health Educations Sciences, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA.
4. Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA.
5. MedStar Health Research Institute, Washington, District of Columbia, USA.
6. Department of Biomedical Engineering, Georgia Institute of Technology and Emory School of Medicine, Atlanta, Georgia, USA.