[1
]
Department of Dermatology, Erasmus Medical Centre Cancer Institute, Rotterdam, the
Netherlands.
[2
]
Department of Dermatology, University Medical Centre Groningen, Groningen, the Netherlands.
[3
]
PALGA: The Nationwide Network and Registry of Histology and Cytopathology, Houten,
the Netherlands.
[4
]
Department of Pathology, Erasmus Medical Centre Cancer Institute, Rotterdam, the Netherlands.
[5
]
Department of Dermatology, Isala Hospital, Zwolle, the Netherlands.