Three years http://thecarbatteryman.com/stmap_25x3bsg.html?gemfibrozil.loteprednol.moxifloxacin.levitra healthplusfcu.com AMSTERDAM, Aug 14 (Reuters) - An independent foundationwhich has the power to block a takeover of Dutch telecoms groupKPN has expressed its concern over the proposed 7.2billion euros ($9.6 billion) offer by Mexican billionaire CarlosSlim's America Movil.