Had been studied

Had been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studiedHad been studied