(5) Before entering upon their duties, each voting panelist shall subscribe before a notary public the following oath:
"I, (name) do solemnly swear/affirm that I will faithfully perform the duties of medical review panel member to the best of my ability and without partiality or favoritism of any kind. I acknowledge that I represent neither side and that it is my lawful duty to serve with complete impartiality and to render a decision in accordance with law and the evidence."
The attorney panel member shall subscribe to the same oath except that in lieu of the last sentence thereof the attorney's oath shall state:
"I acknowledge that I represent neither side and that it is my lawful duty to advise the panel members concerning matters of law and procedure and to serve as chairman."
The original of each oath shall be attached to the opinion rendered by the panel.