Liuzzi Stamerra, Juan Francisco EE.UUUnited StatesEE.UUCirugia oncologica Pacheco Sequera, Marwill Celmar 44 orange ST. New Haven CTUnited StatesNew HavenCirugia oncologica Pirela, Carlos Alejandro Houston EE.UUUnited StatesHoustonCirugia oncologica Romero de Pirela, Maria Lourdes HoustonUnited StatesTexasOncologia medica