[1
]From the Charles A. Sammons Cancer Center at Baylor University Medical Center, Dallas
(R.J.K.), and the University of Texas M.D. Anderson Cancer Center, Houston (J.A.A.);
Jagiellonian University Medical College, John Paul II Hospital, Krakow, Poland (J.K.,
P.K.); the University Hospital Cologne, Department of Internal Medicine, Center for
Integrated Oncology Aachen–Bonn–Cologne–Duesseldorf, Gastrointestinal Cancer Group
Cologne, Cologne (T.Z.), and University Medical Center of Johannes...