Funding for this research was provided by:
National Cancer Institute (P50 CA111236, P50 CA111236)
Canadian Institutes of Health Research (MOP-79551, MOP-79551)
Received: 21 January 2022
Accepted: 25 August 2022
First Online: 13 September 2022
: All methods were carried out in accordance with relevant guidelines and regulations. Informed consent was obtained from all subjects and/or their legal guardian(s). The survey protocols and all materials, including the TCP India survey questionnaires, were cleared for ethics by Office of Research Ethics, University of Waterloo, Canada (ORE#15722) and the Healis Sekhsaria Institute for Public Health International Research Board, India (IRB00007340). The use of secondary data from this project was approved by the Institutional Review Board (IRB) at University of Southern California (#HS-18–00666).
: Not applicable.
: GTF has served as an expert witness or a consultant for governments defending their country’s policies or regulations in litigation and has served as a paid expert consultants to the Ministry of Health of Singapore in reviewing the evidence on plain/standardised packaging.All other authors declare no competing interests.