[1] Duisburg Essen Univ, Sch Med, W German Canc Ctr, Dept Internal Med, D-45122 Essen, Germany
[2] Loyola Univ, Ctr Med, Cardinal Bernardin Canc Ctr, Maywood, IL USA
[3] Wayne State Univ, Detroit, MI USA
[4] Harper Univ Hosp, Karmanos Canc Inst, Detroit, MI USA
[5] MD Anderson Canc Ctr, Houston, TX USA
[6] Edinburgh Canc Ctr, Edinburgh, Midlothian, Scotland
[7] Natl Canc Ctr Hosp, Tsukiji, Japan
[8] Ctr Hosp Lyon, Radiat Oncol Dept, Lyon, France
[9] VU Univ Med Ctr, Amsterdam, Netherlands
[10] Antoni Van Leeuwenhoek Hosp, Netherlands Canc Inst, Dept Radiotherapy, Amsterdam, Netherlands
[11] J Minjoz Univ Hosp, Chest Dis Dept, Besancon, France
[12] Univ Munster, Dept Hematol Oncol & Resp Med, Munster, Germany
[13] Dept Thorac & Vasc Surg, Antwerp, Belgium
[14] Univ Hosp, Resp Oncol Unit Pulm, Louvain, Belgium
[15] Thoraxklin Heidelberg, Heidelberg, Germany
[16] Univ Lausanne, Dept Radiat Oncol, Lausanne, Switzerland
[17] Duisburg Essen Univ, Sch Med, Dept Radiat Oncol, Essen, Germany
[18] Inst Gustave Roussy, Villejuif, France
[19] Hosp Erasme Univ Libre Bruxelles, Brussels, Belgium
[20] Princess Margaret Hosp, Toronto, ON, Canada