Some important links

Link to Paul Scherrer Institut, Villigen,Switzerland:

www.psi.ch 

Link to Particle Therapy Co-Operative Group (PTCOG), a non-profit organisation for those interested in Proton,

light ion and heavy charged particle radiotherapy:

www.ptcog.com

Link to Ion Beam Applications SA   (IBA):

www.iba-worldwide.com

Link to Philips Healthcare:

www.philips.ch/healtcare/solutions/computedtomography

Link to Krebsliga Schweiz (Swiss Cancer League in English)

www.krebsliga.ch/de/english.cfm