(2) There shall be no monetary liability on the part of, and no cause of action for damages shall arise against, any consultant or member of a duly appointed committee for any act or proceeding undertaken or performed within the scope of the functions of that consultant or committee, if the consultant or committee member acts without malice, has made a reasonable effort to obtain the facts of the matter on which the consultant or committee member acts, and acts in a reasonable belief that the action taken is warranted by the facts known to the consultant or committee member after that reasonable effort to obtain the facts. [1965 c.122 §2; 1977 c.192 §9; 1997 c.791 §27]