1. Clinical Microbiology Laboratory, McLendon Clinical Laboratories, UNC Health Care, Chapel Hill, North Carolina, USA
2. Department of Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
3. Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
4. Department of Pathology and Laboratory Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA