1. Medical and Industrial Applications Division, Department Nuclear Materials, National Atomic Energy Commission (CNEA), San Carlos de Bariloche, Argentina
2. National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
3. Medicine faculty, University of Buenos Aires (UBA), Buenos Aires, Argentina
4. Nuclear Medicine Oncological Center, Institute of Oncology Angel H. Roffo, University of Buenos Aires, Buenos Aires, Argentina (COMNIR)
5. Department of Gastroenterological Surgery, Institute of Oncology Angel H. Roffo, Buenos Aires, Argentina