University of Messina, Italy
A. Cardarelli Hospital, Italy
University of Notre Dame, USA
University of Piemonte Orientale, Italy
National and Kapodistrian University of Athens, Greece
Universidade Lusófona, Portugal
Sanford Research, USA
Griffith University, Australia
Southern Cross University, Australia
Andrés Bello National University, Chile
University of South Carolina, USA
Department Radiation Oncology, UZ Brussel