202 P.3d 712 SUE A. WALKER, INDIVIDUALLY AND AS NATURAL MOTHER AND HEIR-AT-LAW OF SHEENA L. WALKER, DECEASED; AND THE ESTATE OF SHEENA L. WALKER, DECEASED, BY AND THROUGH SUE A. WALKER AS SPECIAL ADMINISTRATOR OF THE ESTATE, Appellants, v. RANDALL S. REGEHR, M.D.; REGAN TABOR, M.D.; AND VIA CHRISTI REGIONAL MEDICAL CENTER, INC., ST. […]