**Acknowledgements**

We extend our sincerest gratitude to the Department of Internal Medicine II - Gastroenterology and Geriatrics at the University Hospital Olomouc, and the Department of Physiology at the Faculty of Medicine and Dentistry, Palacký University Olomouc, Czech Republic, as well as to Bc. Hana Zálešáková, MUDr. Blanka Doubravová, Ondřej Cienciala, and Bc. Marie Libichová (diabetes educator). Furthermore, we would like to express our special thanks to Tereza Nezvalová, Rachel, Petr, and Laura Novákovi, Dhanuka Sammu, Jakub Olejko, and Viktória Molnárová for their unwavering support.
