10.1371/journal.pone.0086394.g001 Andor F. van den Hoven Andor F. van den Hoven Maarten L. J. Smits Maarten L. J. Smits Charlotte E. N. M. Rosenbaum Charlotte E. N. M. Rosenbaum Helena M. Verkooijen Helena M. Verkooijen Maurice A. A. J. van den Bosch Maurice A. A. J. van den Bosch Marnix G. E. H. Lam Marnix G. E. H. Lam Flowchart illustrating the article selection process. Public Library of Science 2014 biophysics Radiation biophysics radiotherapy Clinical research design Systematic reviews Drugs and devices Drug research and development Non-clinical medicine Health care policy Treatment guidelines oncology Cancer treatment radiology Interventional radiology Nuclear medicine illustrating 2014-01-17 02:59:14 Figure https://plos.figshare.com/articles/figure/_Flowchart_illustrating_the_article_selection_process_/903070 <p>Flowchart illustrating the article selection process.</p>