1. University of Santa Cruz do Sul, Brazil; Institute of Oncology Saint Gallen, Brazil; Hospital Moinhos de Vento, Brazil
2. Hospital Moinhos de Vento, Brazil
3. University of Santa Cruz do Sul, Brazil
4. Institute of Oncology Saint Gallen, Brazil
5. University of Santa Cruz do Sul, Brazil; Institute of Oncology Saint Gallen, Brazil
6. Ana Nery Hospital, Brazil