1. Center for Health Policy and Outcomes, Department of Epidemiology and Biostatistics; Memorial Sloan-Kettering Cancer Center; New York New York
2. School of Pharmacy and Pharmaceutical Sciences; Trinity College; Dublin Ireland
3. Department of Medical Oncology; Memorial Sloan-Kettering Cancer Center; New York New York
4. Department of Head and Neck Surgery; Trinity College; Dublin Ireland
5. Department of Radiation Oncology; Memorial Sloan-Kettering Cancer Center; New York New York