title: Erratum to: A method to assess image quality for Low-dose PET: analysis of SNR, CNR, bias and image noise.
authors.affiliation: Department of Nuclear Medicine, First Hospital of Shanxi Medical University, 85 Jiefang S Rd, Yingze, Taiyuan, Shanxi, 030001, China. jianhua.yan@gmail.com.|Molecular Imaging Precision Medicine Collaborative Innovation Center, Shanxi Medical University, 85 Jiefang S Rd, Yingze, Taiyuan, Shanxi, 030001, China. jianhua.yan@gmail.com.|A*STAR-NUS, Clinical Imaging Research Center, Center for Translational Medicine, 14 Medical Drive, #B1-01, 17599, Singapore, Singapore. jianhua.yan@gmail.com.
authors.forename: Jianhua
authors.initials: J
authors.lastname: Yan
authors.affiliation: A*STAR-NUS, Clinical Imaging Research Center, Center for Translational Medicine, 14 Medical Drive, #B1-01, 17599, Singapore, Singapore.|Department of Diagnostic Radiology, National University Hospital, Main Building, 5 Lower Kent Ridge Road, Level 3, 119074, Singapore, Singapore.
authors.forename: Josh
authors.initials: J
authors.lastname: Schaefferkoetter
authors.affiliation: Siemens Healthcare Molecular Imaging, 810 Innovation Drive, Knoxville, TN37932, USA.
authors.forename: Maurizio
authors.initials: M
authors.lastname: Conti
authors.affiliation: A*STAR-NUS, Clinical Imaging Research Center, Center for Translational Medicine, 14 Medical Drive, #B1-01, 17599, Singapore, Singapore.|Department of Diagnostic Radiology, National University Hospital, Main Building, 5 Lower Kent Ridge Road, Level 3, 119074, Singapore, Singapore.
authors.forename: David
authors.initials: D
authors.lastname: Townsend