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Clinical Epidemiology


Professor Sørensen

Department of Clinical Epidemiology, Aarhus University Hospital and Aarhus University, Denmark

Professor Sørensen

Editor-in-Chief: Professor Henrik Toft Sørensen

Dr Sørensen is an MD. He is a specialist in internal medicine and hepatology. Dr Sørensen earned a PhD degree in health services research, a DMSc in clinical epidemiology, and a DSc in science (cancer and cardiovascular diseases).

From 1998 to 2006, Dr Sørensen worked as a consultant at the Department of Gastroenterology, Hepatology, and Internal Medicine, Aarhus University Hospital. Since 2000, he has been professor of clinical epidemiology at Aarhus University, and head of Department of Clinical Epidemiology at Aarhus University Hospital. He is furthermore affiliated with Stanford University, Geisel School of Medicine at Dartmouth College, Boston University, USA, and University of North Carolina, Chapel Hill.

Dr Sørensen has a substantial number of publications within the field of clinical epidemiology, pharmacoepidemiology, and determinants of the risk and prognosis of cardiovascular, hemostatic disorders, infections, gastrointestinal, and cancer diseases. He is principal investigator on several international studies and has been supervisor for more than 65 students who have received the PhD degree.

Dr Sørensen is Chairman of the Danish Agency for Registry Research, Ministry of Science, Technology and Innovation. He has been awarded with several awards including the 2012 Hagedorn Prize, the 2018 Odd Fellow Research Prize, and the 2019 Erhoff Prize. Dr Sørensen is furthermore the Recipient of the 2019 Jaap de Graeff Award from Leiden University, the Netherlands.


Dr Cohen

Department of Pediatrics, The Hospital for Sick Children, Canada

Dr Cohen

Associate Editor: Professor Eyal Cohen  

Eyal Cohen completed his medical training at the University of Toronto in 2000. He trained in paediatrics at The Hospital for Sick Children (SickKids) in Toronto, Canada where he was also a chief resident and completed an MSc in health research methodology at McMaster University in 2007.  He is a Professor of Pediatrics and Health Policy, Management & Evaluation at the University of Toronto in Toronto, Canada, and practices clinical paediatrics at SickKids.


Professor Ehrenstein

Department of Clinical Epidemiology, Department of Clinical Medicine, Aarhus University, Denmark

Professor Ehrenstein

Associate Editor: Dr Vera Ehrenstein

Dr Ehrenstein earned a doctorate in epidemiology in 2008 and a master of public health degree in epidemiology and biostatistics in 2000, from the Boston University School of Public Health. She is currently associate professor at the Department of Clinical Epidemiology, Aarhus University, Denmark; previously she held various academic positions, with roles of co-investigator or statistician for epidemiologic studies.

Dr Ehrenstein has published peer-reviewed articles within the fields of clinical epidemiology, pharmacoepidemiology, and fetal origins of adult disease (link to publications). Dr. Ehrenstein coordinates several international post-authorization safety studies; supervises PhD students; and teaches graduate courses in clinical epidemiology, database research, and scientific publishing.


Dr Horváth-Puhó

Department of Clinical Epidemiology, Aarhus University and Aarhus University Hospital, Denmark

Dr Horváth-Puhó

Associate Editor: Dr Horváth-Puhó

Erzsébet Horváth-Puhó has a master degree in mathematics and she earned a PhD degree in health sciences in 2009. She is currently associate professor at the Department of Clinical Epidemiology, Aarhus University, Denmark.

Dr. Horváth-Puhó has published peer-reviewed articles within the fields of clinical epidemiology and pharmacoepidemiology. She has been responsible for adapting biostatistical and machine learning methods applicable in the reproductive epidemiology, research of venous thromboembolism, and neuroepidemiology. She is leader of a group of biostatisticians at the Department of Clinical Epidemiology, Aarhus University. Dr. Horváth-Puhó collaborates closely with international research institutes such as Stanford University, Boston University, London School of Hygiene Tropical Medicine, Amsterdam UMC, and Vienna Medical University.


Professor Pedersen

Professor Pedersen

Statistical Editor: Professor Lars Pedersen

Lars Pedersen obtained his degree in statistics from the Department of Theoretical Statistics at Aarhus University in 1999 and earned a PhD degree from Aalborg University in 2009. He has been chief statistician at the Department of Clinical Epidemiology, Aarhus University Hospital since 2000. In 2003, he became associate professor in clinical biostatistics at Aarhus University and has been professor in clinical data science since 2012.

Dr Pedersen has published peer-reviewed articles within the fields of clinical epidemiology and pharmacoepidemiology. He has been responsible for establishing and developing a system of high quality medical databases which are linkable by information from the Danish Civil Registration System. Dr Pedersen is head of centre for biostatistics and data management at Department of Clinical Epidemiology. The centre employs 25 biostatisticians and data managers. Dr Pedersen has developed and implemented epidemiologic designs and statistical methods in scientific epidemiological studies as well as in relation to monitoring quality of medical interventions in hospitals and drug safety in general. His research focuses on adverse drug effects and the prognoses of various diseases and he is the scientific manager of the department’s involvement in a number of European projects aimed at developing systems to detect adverse effects of drugs at an early stage. In addition, Dr Pedersen is the lead statistician on several research projects with international collaborators from Stanford University, California and University of North Carolina at Chapel Hill, North Carolina, USA.


Professor Petersen

Research Department of Primary Care & Population Health, University College London, United Kingdom

Professor Petersen

Associate Editor: Irene Petersen

Irene Petersen received her first MSc in Biology (by research) from Aarhus University in 1997. She received her PhD in 2002 from London University and her second MSc in Epidemiology in 2010 from London School of Hygiene and Tropical Medicine.

Dr Petersen is Professor of Epidemiology and Health Informatics at UCL, London. She has co-authored more than 160 publications. This includes topics such as prescribed medicine in pregnancy, physical health in people with severe mental illnesses, pharmacoepidemiology and methodological studies.


Editorial Board

Olof Akre, Adjunct Professor, Department of Molecular Medicine and Surgery, Karolinska Institute, Sweden.

Eric Benchimol, Professor, Department of Paediatrics and Institute of Health Policy, Management and Evaluation, University of Toronto, Pediatric Gastroenterologist, Division of Gastroenterology, Hepatology and Nutrition, The Hospital for Sick Children; Senior Scientist, Child Health Evaluative Sciences, SickKids Research Institute; Senior Core Scientist, ICES, Toronto, Ontario, Canada.







Tone Bjørge, Professor, Department of Global Public Health and Primary Care, University of Bergen, Norway.

Nikolay Briko, M.D., Professor, Head of The Department of Epidemiology and Evidence Based Medicine, Sechenov First Moscow Government Medical University, Russia

M. Alan Brookhart, Ph.D., Professor, Department of Population Health Sciences, Duke University, North Carolina, USA.

Hilary Brown, PhD, MSc, Assistant Professor, Department of Health & Society, University of Toronto Scarborough, and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada.

Warren S. Browner, CEO, California Pacific Medical Center, and Adjunct Professor of Epidemiology & Biostatistics, University of California, San Francisco, CA, USA

Pierre Duhaut, Chief of the Internal Medecine Department, RECIF (Réseau d'Epidémiologie Clinique International Francophone), Jules Verne University of Picardy, France

John K Field, Professor and Director of Research, Roy Castle Lung Cancer Research Programme, Department of Molecular and Clinical Cancer Medicine, Institute of Systems, Molecular & Integrative Biology, The University of Liverpool, UK.

Allan Hackshaw, Professor of Epidemiology & Medical Statistics, Director of Cancer Research UK and UCL Cancer Trials Centre, UCL Cancer Institute, University College London, UK. He has extensive experience in a range of medical disciplines (including cancer treatments and diagnosis, cardiovascular disease, adult and prenatal screening, and tobacco and health). This has involved large scale observational studies, randomised trials and systematic reviews, UK.

Susan Jick, Professor of Epidemiology, Director Boston Collaborative Drug Surveillance Program, Boston University School of Public Health, Lexington, MA, USA

Helle Kieler, Head of the Centre for Pharmacoepidemiology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden

Sinéad M Langan, Wellcome Senior Clinical Fellow and Professor of Clinical Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine and Associate Director Health Data Research UK London.

Jonas F Ludvigsson, Professor, Department of Medical Epidemiology and Biostatistics, Karolinska Institute, and Paediatrician at Örebro University Hospital, Sweden.

Roberta B. Ness, James W. Rockwell Professorship in Public Health, The University of Texas Health Science Center at Houston, School of Public Health, Houston, Texas, USA

Daniel Prieto-Alhambra, Professor, lead Pharmaco-and Device Epidemiology research, Centre for Statistics in Medicine in NDORMS, UK.

Nigam H. Shah, Associate Professor of Medicine, Associate Director, Center for Biomedical Informatics Research, Stanford University, Stanford, CA, USA

Liam Smeeth, Dean, Faculty of Epidemiology and Population Health and Professor of clinical epidemiology, London School of Hygiene and Tropical Medicine, UK

Til Sturmer, MD, MPH, PhD, Department of Epidemiology, University of North Carolina at Chapel Hill, USA.

Gianluca Trifirò, MD, PhD, FISPE, Professor of Pharmacology - Department of Diagnostics and Public Health, University of Verona, Scientific responsible of academic spin-off “INSPIRE - Innovative Solutions For Medical Prediction And Big Data Integration In Real World Setting” Italy.

Nick Van Es, Department of Internal Medicine, University of Amsterdam, Netherlands.

Vasiliy V. Vlassov, MD, National Research University Higher School of Economics, Vice President, Society for Evidence Based Medicine, Moscow, Russia

Noel S Weiss, Professor, Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA USA

Siyan Zhan, MD,PhD, Professor and Chair, Department of Epidemiology and Biostatistics, School of Public Health, Peking University Director, Center for Clinical Epidemiology, Peking University Third Hospital, China.