Expression of Concern: Clin Transl Oncol (2017) 19:1010–1017 https://doi.org/10.1007/s12094-017-1633-2

The Editor-in-Chief is issuing this editorial Expression of Concern to alert readers that there is a dispute amongst the authors over whether Antonio Herrera-Merchan qualifies for authorship of the original article.

The institution where this research took place has been unable to contact all authors to resolve this dispute.

Antonio Herrera-Merchan has agreed to the publication of this Expression of Concern.

Marta Cuadros, Victoria Sánchez-Martín, Carlos Baliñas, Laura Boyero, Paola Peinado, Pedro Medina did not agree to the publication of this Expression of Concern.

Joel Martin-Pedron did not respond to the correspondence from the journal regarding this Expression of Concern.