1. Department of Internal Medicine and Biomedical Research Institute; Pusan National University Hospital; Busan Korea
2. Department of Nuclear Medicine; Pusan National University Yangsan Hospital; Yangsan Korea
3. BioMedical Research Institute for Convergence of Biomedical Science and Technology; Pusan National University Yangsan Hospital; Yangsan Korea
4. Department of Nuclear Medicine, College of Medicine; Pusan National University; Yangsan Korea
5. Department of Nuclear Medicine; School of Medicine; Kyungpook National University Medical Center; Daegu Korea
6. Department of Nuclear Medicine and Biomedical Research Institute; Pusan National University Hospital; Busan Republic of Korea