van Pelt, G. W. http://orcid.org/0000-0003-1449-7348
Kjær-Frifeldt, S.
van Krieken, J. H. J. M.
Al Dieri, R.
Morreau, H.
Tollenaar, R. A. E. M.
Sørensen, F. B.
Mesker, W. E.
Funding for this research was provided by:
Leiden University Medical Center
Article History
Received: 21 December 2017
Revised: 3 July 2018
Accepted: 8 July 2018
First Online: 20 July 2018
Compliance with ethical standards
: This work did not involve human participants; therefore, no informed consent is obtained. The tissue examples shown in this work are strictly used for illustration, and were handled in a coded fashion, according to national ethical guidelines (“Code for Proper Secondary Use of Human Tissue”, Dutch Federation of Medical Scientific Societies).
: R. Al Dieri is the director general of the European Society of Pathology. All other authors declare no conflicts of interest.