(2) Involves any controversy or dispute between (a) a physician, dentist, podiatrist, optometrist, psychologist, veterinarian, chiropractor, pharmacist, nurse, dietitian or licensed administrator and a patient or, in the case of a veterinarian, the patient's owner, concerning the diagnosis, treatment or care of such patient or the fees or charges therefor, (b) a physician, dentist, podiatrist, optometrist, psychologist, veterinarian, chiropractor, pharmacist, nurse, dietitian or licensed administrator and a provider of medical, dental, podiatric, veterinary, optometric, psychological, or pharmaceutical benefits concerning any medical or health charges or fees of such physician, dentist, podiatrist, optometrist, psychologist, veterinarian, chiropractor, pharmacist, nurse, dietitian or licensed administrator, or (c) physicians, dentists, podiatrists, optometrists, psychologists, veterinarians, chiropractors, pharmacists, nurses, dietitians or licensed administrators: shall not be liable in damages to any person for any action taken or recommendation made by him within the scope of his function with the committee, subcommittee or society in the performance of said peer-review, ethics, grievance, judicial, quality assurance or professional relations review functions, if such action or recommendation was taken or made without malice and in the reasonable belief after reasonable investigation that such action or recommendation was warranted upon the basis of facts disclosed.