*Complutense University of Madrid
Departments of †Pathology
§Surgery, Hospital Clínico San Carlos
‡Rey Juan Carlos University
∥Hospital General Universitario Gregorio Marañón, Madrid, Spain
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
C.D.d.A.: data acquisition, analysis, interpretation, manuscript draft, approval, and agreement. L.E.M.: data acquisition, analysis, manuscript revision, approval, and agreement. A.S.P.: data interpretation, manuscript revision, approval, and agreement. L.O.M.: study design, data interpretation, manuscript revision, approval, and agreement. S.G.G.d.l.H.: data interpretation, manuscript revision, approval, and agreement. R.G.M.: data acquisition, manuscript revision, approval, and agreement. M.J.F.A.: study design, data analysis and interpretation, manuscript draft, approval, and agreement.
The authors declare no conflicts of interest.
Reprints: Cristina Díaz del Arco, MD, Department of Surgical Pathology, Hospital Clínico San Carlos, C/Profesor Martín Lagos s/n, Madrid 28040, Spain. E-mail: [email protected].
