Question: Gossip magazines (sometimes referred to as tabloid magazines) are magazines that feature scandalous stories about the personal lives of celebrities and other well-known individuals, the title Confidential was a magazine published quarterly, alone boasted a monthly circulation in excess of ten million, from December 1952 to August 1953 and then bi-monthly until it ceased publication in what year?
Sentence (from "Sylph (magazine)"): On May 22, 2010, the magazine started to be published monthly.
Relevant evidence: No