Deutsche Gesellschaft für Photobiologie (DGP) e.V.

http://www.photobiologie.org

 

European Society for Photobiology

https://www.photobiology.eu

 

European Society for Photodermatology (ESPD)

http://www.espd.eu.com

 

European society for photodynamic therapy

http://www.euro-pdt.org

 

American Society for Photobiology

https://photobiology.org