At the press conference before the paper's publication, later criticized as "science by press conference",[43] Wakefield said that he thought it prudent to use single vaccines instead of the MMR triple vaccine until this could be ruled out as an environmental trigger; parents of eight of the twelve children studied were said to have blamed the MMR vaccine, saying that symptoms of autism had set in within days of vaccination at approximately 14 months. Wakefield said, "I can't support the continued use of these three vaccines given in combination until this issue has been resolved."[45] In a video news release issued by the hospital to broadcasters in advance of the press conference, he called for MMR to be "suspended in favour of the single vaccines."[46] In a BBC interview Wakefield's mentor Roy Pounder, who was not a coauthor, "admitted the study was controversial". He added: "In hindsight it may be a better solution to give the vaccinations separately,...