International University in Germany

The WTF-Zone on the Porch

A didactic sketch about an educated man in Georgia who attempts to read a translated course script on instructional design — and fails completely. Not out of laziness, not out of ignorance, but because the script offers no point of entry. The sketch illustrates the WTF Zone as a...

The WTF-Zone in the Seminar Room

A didactic sketch about a student who genuinely understands the core concepts of her course — intuitively, in her own language — but lacks the formal vocabulary for them. She explains usability, the Tichy zone model, and the WTF Zone in her own words: accurate in substance, entir...

Subgroup variations in effectiveness of femoropopliteal sirolimus versus paclitaxel-coated balloon angioplasty: post hoc results of the randomised SIRONA trial

INTRODUCTION: The randomised SIRONA trial showed that sirolimus-coated balloon (SCB) angioplasty was non-inferior to paclitaxel-coated balloon angioplasty (PCB) regarding femoropopliteal primary patency. There was no difference in clinically driven target lesion revascularisation...