Go travelling <a href=" http://www.mezzolabs.co.uk/can-you-buy-permethrin-cream-over-the-counter-uk.pdf ">permethrin online uk</a> BERLIN, Sept 12 (Reuters) - Former Deutsche Bank Chief Executive Josef Ackermann said he would step down from thesupervisory board of German engineering conglomerate Siemens, marking another retreat for one of Europe's mostpowerful executives.