1. Weill Cornell Medical College / NewYork-Presbyterian Hospital, New York, New York, United States
2. Department of Emergency Medicine, Weill Cornell Medical College / NewYork-Presbyterian Hospital, New York, New York, United States
3. Leonard Davis School of Gerontology, University of Southern California, Los Angeles, California, United States
4. Weill Cornell Medical College, New York, New York, United States
5. University of Colorado School of Medicine, Aurora, Colorado, United States
6. Centers for Disease Control and Prevention, Atlanta, Georgia, United States