Erratum: An unfractionated fucoidan from Ascophyllum nodosum: Extraction, characterization, and apoptotic effects in vitro (Journal of Natural Products (2011) 749 (1851-1861) DOI: 10.1021/np200124m) - Foley, SA; Szegezdi, E; Mulloy, B; Samali, A; Tuohy, MG (Journal of Natural Products, 2012)