Text and Data Mining valid from 2020-03-29
Received: 12 April 2018
Accepted: 11 February 2020
First Online: 29 March 2020
Ethics approval and consent to participate
: This study did not require ethical approval because it relied only on publicly available data.
: Not applicable.
: GDS has received investigator-initiated grants from GSK and Pfizer; has received honorarium for expert testimony from the Ontario Nurse Association, from the Quebec Ministry of Justice and from GSK. SCP, MNB and AB have no conflicts of interest to declare.