Reviewer acknowledgement 2012

Shahram AgahIranIgor AurerCroatiaSalman BaigPakistanZaid BaqainJordanArnulf BaumannAustriaFarzad BorumandiAustriaLuca CampanaItalyPaolo CastellucciItalyAles CelarAustriaLucia CevidanesUnited States of AmericaBernard CohenUnited States of AmericaIan CooperUnited KingdomAdriano CrismaniAustriaGholamreza DaneshGermanyJan de LangeNetherlandsWillian de MeloBrazilTim DesmetBelgiumCharles DiaperUnited KingdomXi DingChinaMárcio Diniz-FreitasSpainMarco DontoUnited States of AmericaMurat DurduTurkeyTheodore EliadesSwitzerlandIjlal ErturanTurkeySeyed-Mohammad FereshtehnejadSwedenTadashi FujitaJapanAnne GeorgeUnited States of AmericaAnita GorthoIndiaDan GrauerUnited States of AmericaMohammed GrawishEgyptMaria GroshevaGermanySantosh Kumar GudiIndiaSelim GüleryüzGermanyPierre HaenFranceTrent HargensUnited States of AmericaEsam HelboubYemenAlexander HemprichGermanyJohannes HiddingGermanyYoshihito IshiharaJapanDavid E JaramilloUnited States of AmericaRamzi JeddiTunisiaManish JunejaIndiaSimone JunqueiraBrazilLuis JunqueraSpainHiroshi KajiJapanSolveiga KelbauskieneUnited KingdomYusuke KiyouraJapanJohannes KleinheinzGermanyCornelia KoberGermanyNorio KondoJapanMichel KossowskiFranceAdorján KovácsGermanyStefan KranzGermanyEike KrauseGermanyElena KriegerGermanyDerek LaceyAustraliaFriedrich LampertGermanyJosé Angelo Lauletta LindosoBrazilMark LaurenUnited States of AmericaPierre LayrolleFranceCarsten LippoldGermanyTian-Run LiuChinaXinqiang LiuChinaMatilde Mia LonkaDenmarkJoanna MacleanCanadaEvelina MainesItalySeicho MakihiraJapanSerge MarbacherSwitzerlandNiall McleodUnited KingdomShabnum MeerSouth AfricaMarcello MelisItalyLuis MolfettaFranceMarco MozzatiItalyMarcella NebbiosoItalyArtor Niccoli AsabellaItalyMasahiro NishimuraJapanAlmudena Nuno-GonzalezSpainWon-Suk OhUnited States of AmericaThais Marchini OliveiraBrazilCengiz ？zcanTurkeyWilliam PapaioannouGreeceTannamala Pavan KumarIndiaPetia PechalovaBulgariaJozsef PiffkoHungarySatapong PisuitthanakanThailandEdela PuricelliBrazilYasser Rag