Ok, this might not be right...cuz i'm only 12 years old, and i'm not an expert and playing the guitar.  Ok..for the intro, use you thumb..not a pick. it sounds more like the song.

       /=slide
       /

 E----------------------------------------------
 B----------------------------------------------
 G----------------------------------------------
 D-13-12-13-----------13-12-12/-15--------------
 A-11-10-11-11-10--6--11-10-10/-13-11-10--6-----
 E-------------9---8--4---------------9---8--4--