Received: 16 December 2019
Accepted: 18 August 2020
First Online: 24 August 2020
Ethics approval and consent to participate
: All procedures involving animals were performed in the A*STAR BCR facility, which is accredited by the Association for Assessment and Accreditation of Laboratory Animal Care International and licensed by the Agri-Food & Veterinary Authority of Singapore, with approval from an Institutional Animal Care and Use Committee and in compliance with the National Advisory Committee for Laboratory Animal Research Guidelines on the Care and Use of Animals for Scientific Purposes.
: Not applicable.
: All authors are employees of Philip Morris International.