My Erdös number is 3, and possible paths are:
Paul Erdös - Andreas R. Blass - Mauro Di Nasso - Emanuele Bottazzi
Paul Erdös - Nathan Linial - Tahl Nowik - Emanuele Bottazzi
In 2001, when I was 13, I underwent heart transplant surgery at the Fondazione IRCCS Policlinico San Matteo in Pavia.
You can still find some articles about the operation in the archives of some local (hence Italian) papers here and here.