1. Federal University of Para, Belem, PA, Brazil
2. Federal University of Parana, Curitiba, PR, Brazil
3. Federal University of Mato Grosso, Cuiaba, MT, Brazil
4. Hospital Municipal Joao de Caires, Prado Ferreira, PR, Brazil
5. Beth Israel Deaconess Medical Center, Boston, MA, USA
6. Department of Oncology, Queen's University, Kingston, ON, Canada
7. Mayo Clinic, Phoenix, AZ, USA