(3) If the defendant is a general practitioner, the expert witness shall have devoted a majority of the witness’s professional time in the 1-year period preceding the occurrence of the action giving rise to the lawsuit to one or more of the following: (A) Active clinical practice as a general practitioner. (B) Instruction of students in an accredited health professional school or accredited residency or clinical research program in the same health profession as the defendant. (b) Lawsuits against entities If the defendant in a health care lawsuit is an entity that employs a person against whom or on whose behalf the testimony is offered, the provisions of paragraph (1) apply as if the person were the party or defendant against whom or on whose behalf the testimony is offered. (c) Power of court Nothing in this subsection shall limit the power of the trial court in a health care lawsuit to disqualify an expert witness on grounds other than the qualifications set forth under this subsection. (d) Limitation An expert witness in a health care lawsuit shall not be permitted to testify if the fee of the witness is in any way contingent on the outcome of the lawsuit. (e) State flexibility No provision of this section shall be construed to preempt any State law (whether effective before, on, or after the date of the enactment of this Act) that places additional qualification requirements upon any individual testifying as an expert witness. 13. Definitions In this Act: (1) Alternative dispute resolution system