Unfortunately, the original version of this article was published with incorrect details for one authors name and address.
Cheng-Yi Cheng’s name, which had been incorrectly spelled as Chen-Yi Cheng, has been corrected. The author’s correct address is as follows:
PET Center, Department of Nuclear Medicine, Tri-Service General Hospital, National Defense Medical Center, 325 Sec. 2, Cheng-Kung Road, Taipei 114, Taiwan.