Definitely coordinated. Although all of the sufferers deserve to write letters individually, there are strategic ways to doing this. And it's not just level of suffering. I consider my suffering level to be high, but I'm not the person that's going to change minds with bad hyperacusis, but stupidly good extended audiograms.
The best chances are to stay consistent with the company's goals, which appear to be EHF range hair cell loss, until we know otherwise. Fortunately, thanks to heroic behind-the-scenes work, Tinnitus Talk is on the map, having landed interviews with big names, including Carl LeBel. We need to accumulate (sorry if that's dehumanizing) sufferers where FX-322 would almost surely help.
It may help to also research precedence based on safety and added benefit for other conditions. Another thought is to include people who have tried CBT or antidepressant therapy without success.
It's tricky because if the wrong person reads these letter(s), they will think that a bunch of depressed people are in their own heads, as opposed to needing hair cell regeneration.