?:authorAffiliation
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[\'U. S. Centers for Disease Control and Prevention, San Juan, Puerto Rico, United States of America.\', \'Hospital Auxilio Mutuo and Adult\'s University Hospital, San Juan, Puerto Rico, United States of America.\', \'Centro Médico Episcopal San Lucas, Ponce Health Sciences University/Ponce Research Institute, Ponce, Puerto Rico, United States of America.\', \'Hospital Universitario Dr. Ramón Ruiz Arnau, Bayamón, Puerto Rico, United States of America.\', \'U. S. Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America.\']
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