From the AFTD site. Just saw and did this, took about 10 minutes.
“Call to Action – We need YOUR help in ensuring that FTD is included in the FDA’s priorities for 2016-2017. It’s easy! Submit a letter with your Name, City and State of residence, by copying and pasting the text from your word document, such as theAFTD sample letter (clicking the link downloads the file), into the comments field on the FDA webpage set up for this purpose: http://www.regulations.gov/#!submitComment;D=FDA-2012-N-0967-0595. The deadline is December 5th!”