1. Instituto de Patología e Investigación and Facultad de Ciencias Médicas; Universidad Nacional de Asunción; Asunción Paraguay
2. Miraca Life Sciences and Tufts University; Boston MA USA
3. Department of Pathology and Laboratory Medicine; Cedars-Sinai Medical Center; Los Angeles CA USA
4. Department of Pathology and Laboratory Medicine; University of Tennessee Health Sciences; Memphis TN USA
5. Departments of Pathology, Urology, and Oncology; The Johns Hopkins Medical Institutions; Baltimore MD USA
6. Department of Molecular Oncology; Barts Cancer Institute; St Bartholomew's Hospital; Queen Mary University of London; London UK
7. Department of Cellular Pathology; St George's Healthcare NHS Foundation Trust; London UK