Many thanks to Peter, my buddy on most of all dives on land and in water.
Further thanks to Harald and Mark – my buddies in deep diving.

Flo gave valuable feedback on topics background information and theory.

Training Reminder and Planning on base of Personal Best were ideas of Bernhard.

Thanks to all participants on SK1 on Plansee in Austria 2016, a real cool happening in an
awesome environment. Caro and Claudi, thanks for this!

Volker, Franz and Mani – you started all this 🙂 Ralf, it continued with you…

Last but not least thank you for using the app. Maybe you also give feedback.