1 Department of Radiology, Auckland City Hospital - Greenlane Clinical Center Auckland District Health Board, 2 Park Road, Grafton, Auckland, 1023, New Zealand. pilucaparisi@yahoo.es.
2 Department of Radiology, Hospital Nueve de Octubre, Calle Valle de la Ballestera, 59, 46015, Valencia, Spain. pilucaparisi@yahoo.es.
3 Department of Radiology, Hospital Nueve de Octubre, Calle Valle de la Ballestera, 59, 46015, Valencia, Spain.
4 Diagnostic and Interventional Radiology, The "Rizzoli" Institute, Via G. C. Pupilli 1, 40136, Bologna, Italy.