Here are the three links, 1. in English, 2. in Japanese (you have to translate) 3. unfortunately only in German (I have a meeting with Prof. Alt on Tuesday, he is treating in Munich/Germany).
As I understand it, it is injected into the nose/bloodstream...
I will report further.
It remains exciting!
1.
accesswire.com/944706/a-new...
2.
prtimes.jp/main/html/rd/p/0...
3.