Funding for this research was provided by:
Foundation for the National Institutes of Health (R01AG018016)
Text and Data Mining valid from 2019-07-29
Received: 12 April 2019
Accepted: 19 July 2019
First Online: 29 July 2019
Ethics approval and consent to participate
: The MHAS was approved by the Institutional Review Boards and Ethics Committees of the University of Texas Medical Branch in the USA, the Instituto Nacional de Estadística y Geografía (INEGI), and the Instituto Nacional de Salud Pública (INSP) in Mexico. The current analysis was registered at the Instituto Nacional de Geriatría (DI-PI-006/2018).
: Not applicable.
: The authors declare that they have no competing interests.