Text and Data Mining valid from 2020-03-26
Received: 28 February 2019
Accepted: 11 February 2020
First Online: 26 March 2020
Ethics approval and consent to participate
: This work does not involve human subjects. All data are freely and publicly available and describe people who are not alive.
: This work does not include materials that relate to specific individual people.
: The authors declare that they have no competing interests.