Over a period of 14 years, Tomlinson allegedly worked in about 20 different cardiac catheterization laboratories, or “cath labs,” as a traveling nurse. From January 2000 to 2011, he worked at seven different HCA-owned hospitals as a contractor, while employed by All About Staffing, Inc. (“AAS”) as a “Cath Lab RN Traveler.” He worked as a contractor at the Florida defendant’s facility from August 2007 to June 2008.