1 Infections and Immunoepidemiology Branch of the Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA. zhiwei.liu@nih.gov.
2 HPV Immunology Laboratory, Frederick National Laboratory for Cancer Research, Leidos, Biomedical Research, Inc, Frederick, MD, USA.
3 Department of Epidemiology, Shanghai Cancer Institute, Shanghai, China.
4 Infections and Immunoepidemiology Branch of the Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA.
5 School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
6 Advanced Center for Chronic Diseases (ACCDiS), FONDAP, Santiago, Chile.
7 Department of General Surgery, Zhongshan Hospital, School of Medicine, Fudan University, Shanghai, China.
8 Hospital Dr. Hernan Henríquez Aravena, Temuco, Chile.
9 Anatomic Pathology Department, Medicine Faculty, Universidad de La Frontera, Temuco, Chile.
10 Department of Pathology, Shanghai Cancer Center, Fudan University, Shanghai, China.
11 Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
12 Stanford Cancer Institute, Palo Alto, CA, USA.
13 Department of Health Research and Policy, Stanford School of Medicine, Palo Alto, CA, USA.
14 Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA.