Table 2.

Overview of additional study assessments

Study assessmenta	SUEP	HAP	POP
Abdominal ultrasonography			x
Additional medical history and recording by study physician	x	x	x
Basic endocrinological diagnostics		x	x
Computer tomography chest		x
Electrocardiography	x	x	x
Electroencephalography		x
Fraction Exspiratory Nitric Oxide			x
Fundus examination		x
Home visit	x
Impulse oscillometry			x
Long-term ECG		x
Long-term glucose measurement		x
Long-term RR		x
Magnetic resonance imaging brain		x	x
Magnetic resonance imaging heart		x
Microbiome sampling	x	x	x
Myocarditis panel		x	x
Basic neurological examination		x	x
6-Min walking test			x
Smell test		x	x
Spiroergometry		x
Standard laboratory outpatients	x
Standardized spirometry with bodyplethysmography and diffusion capacity	x	x	x
Taste test		x	x
Transthoracic echocardiography	x	x	x
Vital sign monitoring	x	x	x

^aModified for patients age < 18.

SUEP, cross-sectoral platform; HAP, high-resolution platform; POP, population-based platform