Table 1.

Overview of individual data sets.

Data set	Origin of slides	Number of slides	Number of tiles	Scanner type	Tasks
1	Heidelberga	81	1,344,825	Zeissb	2 (slide preparation date); 3 (slide origin)
2	Kielc	196	2,092,726	3DHISTECHd	1 (patient age); 2 (slide preparation date)
3	Heidelberge	73	832,940	Zeiss	3 (slide origin)
4	Friedrichshafenf	54	350,518; 364,196	Zeiss; Hamamatsug	3 (slide origin); 4 (scanner type)
5	Mannheimh	23	513,256	Zeiss	3 (slide origin)

^aInstitute of Pathology, University Hospital Heidelberg, University of Heidelberg, Heidelberg, Germany.

^bCarl Zeiss AG.

^cDepartment of Dermatology, University Hospital Kiel, University of Kiel, Kiel, Germany.

^d3DHISTECH Ltd.

^ePrivate Institute of Dermatopathology, Mönchhofstraße 52, Heidelberg, Germany.

^fPrivate Institute of Dermatopathology, Siemensstraße 6/1, Friedrichshafen, Germany.

^gHamamatsu Photonics KK.

^hDepartment of Dermatology, University Medical Center Mannheim, University of Heidelberg, Mannheim, Germany.