1. Department of Population Health Sciences Weill Cornell Medical College Cornell University New York NY USA
2. Department of Neurology Washington University in St. Louis St. Louis MO USA
3. Department of Primary Care and Population Health School of Medicine Stanford University Stanford CA USA
4. Department of Demography University of California at Berkeley Berkeley CA USA
5. Department of Medicine Medical Sciences Campus University of Puerto Rico San Juan Puerto Rico USA
6. Universidad Nacional Pedro Henriquez Ureña (UNPHU) Santo Domingo Dominican Republic
7. Medical University of Havana Havana Cuba
8. School of Public Health University of California at Berkeley Berkeley CA USA