1. Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Showa-machi 3-39-22, Maebashi, Gunma 3718511, Japan
2. Department of Nuclear Medicine and Molecular Imaging, Faculty of Medicine, Universitas Padjadjaran, Jl. Eijkman 38, Bandung 40161, Indonesia
3. Oncology and Stem Cell Working Group, Faculty of Medicine, Universitas Padjadjaran, Jl. Eijkman 38, Bandung 40161, Indonesia
4. Department of Bioimaging Information Analysis, Gunma University Graduate School of Medicine, Showa-machi 3-39-22, Maebashi, Gunma 3718511, Japan