Extensive-stage Small-cell Lung Cancer

• Cedars-Sinai Medical Center, Samuel Oschin Comprehensive Cancer Institute — Los Angeles, California, United States
• V.A. Ann Arbor Healthcare System — Ann Arbor, Michigan, United States
• University of Michigan — Ann Arbor, Michigan, United States

• Hospital — Seville, Spain

• University Hospital Augsburg, Radiation Oncology — Augsburg, Bavaria, Germany
• University Hospital Erlangen, Radiation Oncology — Erlangen, Bavaria, Germany
• University Hospital Regensburg, Clinic and Polyclinic for Radiotherapy — Regensburg, Bavaria, Germany
• Kliniken Maria Hilf — Mönchengladbach, North Rhine-Westphalia, Germany

• Medical University of Graz - Radio-oncology — Graz, Austria
• Institut Jules Bordet — Anderlecht, Belgium
• Universitair Ziekenhuis Antwerpen — Edegem, Belgium
• AZ Groeninge Kortrijk - Campus Kennedylaan — Kortrijk, Belgium

• Shanghai East Hospital — Shanghai, Shanghai Municipality, China

Not specified

• Shanghai Chest Hospital — Shanghai, China

Not specified

Not specified

• Zhejiang Cancer Hospital — Hangzhou, Zhejiang, China