Updates are available Correction dated 2017-01-13

Click to view Correction: https://doi.org/10.1007/s00428-016-2054-2

Updates are available Correction dated 2016-12-22

Click to view Correction: https://doi.org/10.1007/s00428-016-2053-3

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Crossref DOI link: https://doi.org/10.1007/s00428-016-1997-7

Published Online: 2016-08-23

Published Print: 2016-09

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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