Key points are not available for this paper at this time.
2 Assistant Clinical Professor of Surgery, Harvard Medical School; Surgeon, Peter Bent Brigham Hospital. 3 Postdoctoral Research Fellow in the Division of Mathematical Biology, Harvard Medical School and Peter Bent Brigham Hospital. 4 Assistant Professor of Mathematical Biology, Department of Medicine, Harvard Medical School: Director of the Biomathematies Laboratory, Peter Bent Brigham Hospital; Independent, Investigator of the Howard Hughes Medical Institute.
Murray et al. (Wed,) studied this question.