ACKNOWLEDGMENTS
We thank Mr. Nobuyuki Sawai, Mr. Michiyuki Wada, Mr. Naonori Haraguchi, Ms. Takami Sugimoto, Ms. Yuki Suzuki, Ms. Erina Ishikawa, and Ms. Mariko Kaneko of Sano Kousei General Hospital for their clinical assistance. This work was supported by Gunma University Heavy Ion Medical Center.