Funding for this research was provided by:
This research was financially supported by the Gang-neung Science & Industry Promotion Agency (GSIPA), Korea, under the “Regional development investment agreement pilot project”.
Received: 7 December 2021
Accepted: 9 March 2022
First Online: 19 March 2022
: MSP, GEJ and KTH hold BIFIDO Ltd. stocks. Other authors declare no conflicts of interest.