1. Malignant Germ Cell International Consortium (MaGIC), Dana-Farber Cancer Institute, Boston, Massachusetts, USA
2. Massachusetts General Hospital Krantz Family Center for Cancer Research, Charlestown, Massachusetts, USA
3. Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
4. Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
5. Department of Urology, University of California San Diego Health, San Diego, California, USA
6. Dana-Farber/Boston Children’s Cancer and Blood Disorders Center, Boston, Massachusetts, USA