?:authorAffiliation
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[\'College of DuPage, 425 Fawell Blvd., Glen Ellyn, IL 60137, United States of America; Northern Illinois University, United States of America. Electronic address: moxleye@cod.edu.\', \'College of DuPage, 425 Fawell Blvd., Glen Ellyn, IL 60137, United States of America; Northern Illinois University, United States of America.\', \'DePaul University, Department of Mathematical Sciences, United States of America. Electronic address: dhabtzgh@depaul.edu.\', \'College of DuPage, 425 Fawell Blvd., Glen Ellyn, IL 60137, United States of America.\']
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