EPAC-lung: European pooled analysis of the prognostic value of circulating tumour cells in small cell lung cancer

Victoria Foy, Colin R. Lindsay, Alexandra Carmel, Fabiola Fernandez-Gutierrez, Matthew G. Krebs, Lynsey Priest, Mathew Carter, Harry J. M. Groen, T. Jeroen. N. Hiltermann, Antonella de Luca, Francoise Farace, Benjamin Besse, Leon Terstappen, Elisabetta Rossi, Alessandro Morabito, Francesco Perrone, Andrew Renehan, Corinne Faivre-Finn, Nicola Normanno, Caroline Dive, Fiona Blackhall, Stefan Michiels