1. Department of Molecular Imaging and Theranostics; National Institute of Radiological Sciences; 4-9-1 Anagawa, Inage-ku Chiba 263-8555 Japan
2. Research Center for Child Mental Development; Chiba University; 1-8-1 Inohana, Chuo-ku Chiba 260-8670 Japan
3. Department of Radiology; Kanagawa Children's Medical Center; 2-138-4 Mutsukawa, Minami-ku Yokohama 232-8555 Japan
4. Department of Neonatology; Kanagawa Children's Medical Center; 2-138-4 Mutsukawa, Minami-ku Yokohama 232-8555 Japan
5. Medical MR Center; Meiji University of Integrative Medicine; Hiyoshi, Nantan Kyoto 629-0392 Japan
6. Imaging and Therapy System Division; Siemens Japan; 1-11-1 Osaki, Shinagawa Tokyo 141-8644 Japan
7. Biomedical Imaging Technology Center; Burlington Massachusetts USA
8. Siemens Medical Solutions USA; 209 Gregson Drive Cary North Carolina 27511 USA