- Catalan Institute of Oncology, Barcelona, Spain
- Dana Farber Cancer Institute, Boston, Massachusetts, USA
- Hoag Hospital, Newport Beach, California, USA
- New York University, New York, New York, USA
- University of California Davis, Sacramento, California, USA
- University of California San Francisco, San Francisco, California, USA
- University of Southern California, Los Angeles, California, USA
- Vanderbilt University, Nashville, Tennessee, USA