United Healthcare of Texas, Inc., Optum Health Care Solutions LLC D/B/A Optum Healthcare Solutions, Inc., United Healthcare, Inc., D/B/A United Healthcare Insurance Company, United Healthcare Community Plan of Texas, L.L.C., Evercare of Texas, L.L.C., United Healthcare Benefits of Texas, Inc., United Healthcare Services, Inc., and UnitedHealth Group, Inc. v. Low-T Physicians Service, P.L.L.C., Low-T Physicians Professional Association, and Low-T Physicians Group, P.L.L.C.