Within a reasonable time prior to withholding or causing the removal of any life support system pursuant to sections 19a-570, 19a-571, 19a-573 and 19a-575 to 19a-580c, inclusive, the attending physician, physician assistant or advanced practice registered nurse shall make reasonable efforts to notify the individual’s health care representative, next-of-kin, legal guardian, conservator or person designated in accordance with section 1-56r, if available.