Thank you. I had 5 letters (3 independent, 2 dependent). I had 13 reviews for journals. My publication impact factors were relatively low.
original scientific, scholarly, artistic, or business-related contributions of major significance
authorship of scholarly articles in the field, in professional or major trade publications or other major media
individually or on a panel, as a judge of the work of others in the same or an allied field of specialization for which classification is sought