title: Response: letter to the editor.
authors: a Department of Medicine, Division of Medical Oncology , University of Washington , Seattle , WA , USA.|b Clinical Research Division , Fred Hutchinson Cancer Research Institute , Seattle , WA , USA.
authors: Michael T
authors: MT
authors: Schweizer
authors: c Department of Medicine and GRECC VAPSHCE , University of Washington , Seattle , WA , USA.
authors: Stephen R
authors: SR
authors: Plymate