Intro: It's just an Emin being stummed a few times: 

E-----0----- 
B-----0----- 
G-----0----- 
D-----2----- 
A-----2----- 
E-----0----- 

While the piano does this: 

E-------7-----7-----7---7-----6--7-----7-----7-----7----------
B---------8-----8---------8--------------8-----8------8-------
G-----9-----9-----9---9-----9--------9-----9-----9-------9---- 
D------------------------------------------------------------- 
A------------------------------------------------------------- 
E-------------------------------------------------------------

E-------7-----7-----7---7-----6--7-----7------7---------------
B---------8-----8---------8--------------8-------8------------
G-----9-----9-----9---9-----9--------9-----9--------9---------
D------------------------------------------------------------- 
A------------------------------------------------------------- 
E-------------------------------------------------------------

Verse: Emin and C 

E-----0-----0----- 
B-----0-----1----- 
G-----0-----0----- 
D-----2-----2----- 
A-----2-----3----- 
E-----0----------- 

Prechorus: If your just going to strum it, I would just use
 F, A, Dmin, F, Bmin flat5, and F. 

E-----1-----0-----1-----1----(1)-----1----- 
B-----1-----2-----3-----1-----3------1----- 
G-----2-----2-----2-----2-----4------2----- 
D-----3-----2-----0-----3-----3------3----- 
A-----3-----0-----------3-----2------3----- 
E-----1-----------------1------------1----- 

But if you want to 'kick it up a notch', then you could arpeggiate these
 chords: F, Aaug5, Dmin, F, Bmin flat5, and F sus2. 

E----------------(1)----------1-------8------ 
B-----1-----2-----3-----1-----3-------8------ 
G-----2-----2-----2-----2-----4------10------ 
D-----3-----3-----3-----3----(3)-----10------
A----------(4)------------------------8------ 
E-------------------------------------------- 

Whatever sounds good to you. 

Chorus: C, Dmin, C-G-C Dmin, Dmin, C. 

E-----0-----8------1----5-----0--3--0--1-----1---0--0----- 
B-----1-----8------3----6-----1--3--1--3-----3---3--1----- 
G-----0-or--9------2-or-7-----0--0--0--2-----2---2--0----- 
D-----2-----10-----0----7-----2--0--2--0-----0---0--2----- 
A-----3-----10----------5-----3--X--3---------------3----- 
E-----------8--------------------3------------------------ 

Verse and Prechorus: Same. 

Chorus: Same as first Chorus, except repeat the first part twice. 

E-----0-----1-----0----1-----0--3--0--1-----1---0--0----- 
B-----1-----3-----1----3-----1--3--1--3-----3---3--1----- 
G-----0-----2-----0----2-----0--0--0--2-----2---2--0----- 
D-----2-----0-----2----0-----2--0--2--0-----0---0--2----- 
A-----3-----------3----------3--X--3---------------3----- 
E-------------------------------3------------------------ 

Bridge: Amin, C, Amin7, F, Amin, F, F#min flat5, and D. 

E-----0-----3-----3-----1-----0-----1-----5-------2------2----- 
B-----1-----1-----1-----1-----1-----1-----7-------1------3----- 
G-----2-----0-----2-----2-----2-----2-----5--or---2------2----- 
D-----2-----2-----2-----3-----2-----3-----7------(4)-----0----- 
A-----0-----3-----0-----3-----0-----3-------------------------- 
E-----------------------1-----------1-------------------------- 

Chorus: Same as second chorus. End on C. 

And there ya have it! If you have any questions, comments, corrections
 etc... feel free to give me a shout. ... Have fun!