KK vs. 3 allins

[gp?]

Just moved to this table and the few hands I had seen were all raised, so I tried this. Are those allins too scary to call with KK or do I call this everytime?

PokerStars No-Limit Hold'em Tourney, Big Blind is t100 (9 handed) converter

Hero (t5579)
UTG+1 (t2430)
MP1 (t1525)
MP2 (t5713)
MP3 (t2265)
CO (t5104)
Button (t3734)
SB (t2060)
BB (t3115)

Preflop: Hero is UTG with K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/heart.gif[/img].
Hero calls t100, <font color="#666666">4 folds</font>, <font color="#CC3333">CO raises to t200</font>, Button calls t200, SB calls t150, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t1000</font>, <font color="#CC3333">CO raises to t5104</font>, Button calls t3534 (All-In), SB calls t1860 (All-In), Hero ????