Niklas Zethraeus
![](https://mb.cision.com/Public/206/2240666/8ddccda540f70a0e_800x800ar.jpg)
Photographer: Stefan Zimmerman
Niklas Zethraeus. Photo: Stefan ZimmermanPhotographer: Stefan Zimmerman
Niklas Zethraeus. Photo: Stefan ZimmermanKAROLINSKA INSTITUTET PRESS OFFICE Opening hours: Monday–Friday 09.00–17.00 CET. Karolinska Institutet – a medical university ki.se