Quality improvements in radiation oncology clinical trials oleh Koren Smith, Kenneth Ulin, Michael Knopp, Stephan Kry, Ying Xiao, Mark Rosen, Jeff Michalski, Matthew Iandoli, Fran Laurie, Jean Quigley, Heather Reifler, Juan Santiago, Kathleen Briggs, Shawn Kirby, Kate Schmitter, Fred Prior, Joel Saltz, Ashish Sharma, Maryann Bishop-Jodoin, Janaki Moni, M. Giulia Cicchetti, Thomas J. FitzGerald