Funding for this research was provided by:
Callaghan Innovation (N/A)
Blis Technologies (N/A)
Accepted: 8 July 2021
First Online: 19 July 2021
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Human Ethics Committee of the University of Otago (Ref#H18/054).
: Informed consent was obtained from all individual participants included in the study.
: Informed consent to publish was obtained from all individual participants in the study.
: JDFH is an employee of Blis Technologies, the manufacturer of <i>Streptococcus salivarius</i> BLIS K12 probiotics.GLL was an employee of Blis Technologies prior to commencing this work. Blis Technologies supported student fees for GL.