1. Department of Pathology, School of Medicine, Tokai University, 143 Shimokasuya, Isehara 259-1193, Kanagawa, Japan
2. Monoclonal Antibodies Unit, Spanish National Cancer Research Center (Centro Nacional de Investigaciones Oncologicas, CNIO), Melchor Fernandez Almagro 3, 28029 Madrid, Spain
3. Department of Pathology, Hospital del Mar, Passeig Maritim 25-29, 08003 Barcelona, Spain
4. Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates
5. Division of Surgery and Interventional Science, University College London, Gower Street, London WC1E 6BT, UK
6. Department of Pathology, Hospital Clinic Barcelona, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Esther Koplowitz Center (CEK), Centro de Investigacion Biomedica en Red de Cancer (CIBERONC), 08036 Barcelona, Spain