Centers for Disease Control and Prevention, Atlanta, USA;
福建省疾病预防控制中心,福州 350001;
University of Kentucky, USA;
福建省疾病预防控制中心,福州 350001;
University of Texas Medical Branch at Galveston, USA;
Columbia University. New York City. USA;
Centers for Disease Control and Prevention, Atlanta, USA;
Centers for Disease Control and Prevention, Atlanta, USA;
University of Maryland. School of Medicine, USA;
St George Clinical school, University of New South of Wales, Australia;
New York Medical Collcge, USA;
Constcllation Software Inc, Baltimore, MD, USA;
