SECTION 15. Supreme judicial court and appeals court; concurrent jurisdiction

The supreme judicial court and the appeals court shall have concurrent jurisdiction to review any proceedings had, determinations made, and orders or judgments entered in the superior court pursuant to section fourteen. The supreme judicial court or the appeals court, subject to the provisions of section thirteen of chapter two hundred and eleven A, may by rule vary the procedure authorized or required for such review upon a finding that the review by the court will thereby be made more simple, speedy and effective.