Pharyngeal Neoplasms

• Städt. Kliniken Bielefeld gem. GmbH — Bielefeld, Germany
• Friedrich-Schiller-University Jena — Jena, Germany
• Universitätsklinikum Leipzig - Klinik und Poliklinik für HNO-Heilkunde — Leipzig, Germany
• Klinikum Ernst von Bergmann — Potsdam, Germany

• Sun Yat-sen University Cancer Center — Guangzhou, Guangdong, China

• Howard University Cancer Center — Washington D.C., District of Columbia, United States
• CCOP - Mount Sinai Medical Center — Miami Beach, Florida, United States
• Medical College of Georgia Cancer Center — Augusta, Georgia, United States
• Fox Chase Virtua Health Cancer Program at Virtua Memorial Hospital Burlington County — Mount Holly, New Jersey, United States

• University Hospital of Louvain at Mont-Godinne — Yvoir, Belgium
• University Hospital Ulm — Ulm, Baden-Wurttemberg, Germany
• University Hosptial Giessen and Marburg — Marburg, Baldingerstraße, Germany
• University Hospital of Essen — Essen, Hufelandstraße, Germany

Not specified

• NYU School of Medicine's Kaplan Comprehensive Cancer Center — New York, United States

• University of Alabama at Birmingham Medical Center — Birmingham, Alabama, United States

• Hong Kong
• Hong Kong
• Yogyakarta, Indonesia
• Kuala Lumpur, Malaysia

• Instituto do Cancer do Estado de Sao Paulo — São Paulo, Brazil

• Arizona Cancer Center at University of Arizona Health Sciences Center — Tucson, Arizona, United States