1. Department of Pathology and Laboratory Medicine Memorial Sloan Kettering Cancer Center New York New York USA
2. Department of Pathology and Laboratory Medicine Cedars‐Sinai Medical Center Los Angeles California USA
3. Department of Pathology and Laboratory Medicine Emory University Hospital Atlanta Georgia USA
4. Department of Laboratory Medicine and Pathology University of Toronto Toronto Ontario Canada
5. Institute of Pathology, University Hospital Heidelberg Heidelberg Germany
6. Institute of Pathology, Erlangen University Hospital, Comprehensive Cancer Center, European Metropolitan Area Erlangen‐Nuremberg, Friedrich Alexander University of Erlangen‐Nuremberg Erlangen Germany