From Kera news:
“For the first time, a doctor at Parkland Hospital in 1963 is speaking publically about his role after bullets struck President John F. Kennedy's motorcade in downtown Dallas. This year is the 50th anniversary of the President's assassination.”
http://keranews.org/post/parkland-doctor-breaks-50-year-silence-about-day-jfk-was-shot
However, it’s not his first time. Check out this NPR page for an earlier transcript from 2003:
Doctors Who Treated JFK Recall His Last Moments
http://www.npr.org/templates/story/story.php?storyId=1516423