Mealey's (September 29, 2016, 1:05 PM EDT) -- JOHNSTOWN, Pa. — Pennsylvania health care system operators on Sept. 16 filed a federal lawsuit against professional services companies alleging actuarial malpractice and negligent misrepresentation that has caused well more than $100 million in damages to their pension benefit plans (UPMC, et al. v. CBIZ Inc., et al., No. 3:16-cv-204, W.D. Pa.)....