The thing about intratympanic injections is that, yes, they do it all the time, but not one intratympanic delivered drug is approved for any condition. It's all off-label use of dexamethasone used for acoustic trauma, Meniere's disease and sudden hearing loss because there isn't really anything else. And yes, concentrations of dexamethasone in inner ear perilymph is higher than if taken orally, but it's still a very tiny amount. I just don't know where Frequency Therapeutics gets the confidence from with regards to intratympanic injections.