[1] Chonnam Natl Univ, Hwasun Hosp, Dept Nucl Med, Hwasun Gun, Jeollanam Do, South Korea
[2] GIST, Dept Biomed Sci & Engn, IIT, Gwangju, South Korea
[3] GIST, Sch Mech Engn, Gwangju, South Korea
[4] WONTECH Co Ltd, R&D Ctr, Daejeon, South Korea
[5] Chonnam Natl Univ, Hwasun Hosp & Med Sch, Dept Pathol, Hwasun Gun, Jeollanam Do, South Korea
[6] Chonnam Natl Univ Hosp, Dept Nucl Med, Gwangju, South Korea
[7] Purdue Univ, Weldon Sch Biomed Engn, W Lafayette, IN 47907 USA