What is the fine-grained topic of the following text: Dr. Dean alleged that East Texas Medical Center Regional Healthcare System, Inc. and East Texas Medical Center Regional Health Services, Inc. (together, “the ETMC Defendants”), and their affiliated ambulance company, Paramedics Plus, LLC (“Paramedics Plus”), offered kickbacks to several municipal entities to secure their lucrative ambulance business, including Emergency Medical Services Authority (“EMSA”), Alameda County, California, and Pinellas County Emergency Medical Services Authority in Florida (“Pinellas EMSA”). Only return the topic.
Allegations of kickbacks in ambulance business by ETMC and Paramedics Plus