HEROHE's dataset is publicly available for research purposes under the Attribution-NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0) license. The citation should refer to arXiv:2111.04738 and 10.3390/jimaging6090082. Teams should notify the organizers of the challenge about any publication (partly) based on the results or data published on this site. The challenge organizers will maintain a public list of publications associated with the challenge so others may find appropriate references easily.