Per Hall
![](https://mb.cision.com/Public/206/3309302/b18cd8d5a6289810_800x800ar.jpg)
Photographer: Ulf Sirborn
Per Hall, professor at at the Department of Medical Epidemiology and Biostatistics, Karolinska Institutet.Photographer: Ulf Sirborn
Per Hall, professor at at the Department of Medical Epidemiology and Biostatistics, Karolinska Institutet.KAROLINSKA INSTITUTET PRESS OFFICE Opening hours: Monday–Friday 09.00–17.00 CET. Karolinska Institutet – a medical university ki.se