In Reply to Struikmans et al

Affiliations

• ¹ Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota.
• ² Department of Radiation Oncology, New York Proton Center and Memorial Sloan Kettering Cancer Center, New York, New York.
• ³ Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts.
• ⁴ Department of Radiation Oncology, Institut Curie, Paris, France.
• ⁵ Department of Radiation Oncology, Miami Cancer Institute, Miami, Florida.
• ⁶ Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey.
• ⁷ Proton and Advanced Radiotherapy Group, Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom.
• ⁸ Department of Radiation Oncology, University of Florida, Jacksonville, Florida.
• ⁹ Department of Radiation Oncology, Beaumont Health, Royal Oak, Michigan.
• ¹⁰ Department of Radiation Oncology, Northwestern Medicine Proton Center, Warrenville, IL.
• ¹¹ The Skandion Clinic, Uppsala, Sweden and Danish Centre for Particle Therapy, Aarhus, Denmark.
• ¹² Department of Radiation Oncology, Mayo Clinic Hospital, Phoenix, Arizona.
• ¹³ Department of Radiation Medicine and Applied Sciences, UC San Diego Health, Encinitas, California.
• ¹⁴ Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York.
• ¹⁵ Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.