1. Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Gunma 371-8511, Japan
2. Department of Nuclear Medicine and Molecular Imaging, Faculty of Medicine, Padjadjaran University, West Java 40161, Indonesia
3. Department of Diagnostic Radiology and Nuclear Medicine, VINMEC Times City hospital, Ha Noi city 100000, Vietnam
4. National Academy of Medical Sciences Bir Hospital, Kanti Path, Kathmandu 44600, Nepal