Text and Data Mining valid from 2020-03-30
Received: 11 January 2020
Accepted: 19 March 2020
First Online: 30 March 2020
Ethics approval and consent to participate
: A secondary database “the Medical Expenditure Panel Survey (MEPS) database” a publically available database was used, therefore no ethical approval or consent to participate is required.
: Not applicable.
: The authors declare that they have no competing interests.