The first paragraph of the reference letter template explains your connection to the person you are recommending, including how you know them, and why you are qualified to write a reference letter to recommend employment or graduate school. Paragraph 2.
A Transitional Doctor of Physical Therapy Degree is also offered for those who already hold a professional Bachelors or Master of Physical Therapy (PT or MPT) degree. As of 2015, all accredited and developing physical therapist programs are DPT programs.
Obviously, we've come a long way as a profession if doctoral entry level is even a consideration. To transition the rest of us who hold bachelor's and master's PT degrees to doctoral-level PT, many universities offer a transitional DPT (tDPT) degree.