Diagnosis and treatment of Merkel cell carcinoma: European consensus-based interdisciplinary guideline – Update 2022

Marie-Léa Gauci, Cynthia Aristei, Jürgen C. Becker, Astrid Blom, Véronique Bataille, Brigitte Dréno, V. del Mármol, Ana‐Maria Forsea, Maria Concetta Fargnoli, Jean-Jacques Grob, Fábio Gomes, Axel Hauschild, Christoph Höeller, Catherine Harwood, Nicole W.J. Kelleners-Smeets, Roland Kaufmann, Aimilios Lallas, Josep Malvehy, D. Moreno‐Ramírez, Ketty Peris, Giovanni Pellacani, Philippe Saïag, Alexander J. Stratigos, Ricardo Vieira, Iris Zalaudek, Alexander C. J. van Akkooi, Paul Lorigan, Claus Garbe, Célèste Lebbé