Memorial Sloan-Kettering Cancer Center, Head and Neck Service, New York
The University of Texas MD Anderson Cancer Center, Department of Head and Neck Surgery, Texas
University of Miami School of Medicine, Department of Microbiology and Immunology, Florida
Food and Drug Administration, Center for Biologics Evaluation and Research, Division of Cellular and Gene Therapies, Laboratory of Molecular Tumor Biology, Maryland
＜Germany＞
Hannover Medical School, Department of Oral and Maxillofacial Surgery, Hannover
University of Erlangen-Nuremberg, Department of Oral and Maxillofacial Surgery, Erlangen
Albert-Ludwigs-University of Freiburg, University Clinic of Freiburg, Department of Oral and Maxillofacial Surgery, Freiburg
Heinrich Heine University, Department of Oral Surgery, Düsseldorf
＜Switzerland＞
University Hospital Zürich, Department of Cranio-Maxillofacial Surgery, Zürich