Agnieszka Butwicka and Jonas Ludvigsson (image) Karolinska Institutet Share Print E-Mail Caption Drs Agnieszka Butwicka and Jonas Ludvigsson, Department of Medical Epidemiology and Biostatistics (MEB). Credit Gunilla Sonnerbring/MEB Usage Restrictions This image may only be used in connection to media reports about the research of Agnieszka Butwicka and Jonas Ludvigsson at Karolinska Institutet. The photographer must be credited. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.