Table 1.

Online questionnaire: outline and included themes.

1. Evidence generation

Awareness about the current stage of evidence

Future evidence: Exploring type of evidence needed to prove clinical utility

2. Main implementation scenario

Successful implementation of ctDNA

Challenges regarding successful implementation

3. Theme‐specific scenarios

Clinical utility

Inclusion in clinical guidelines

ctDNA vs current practice

Economical aspects

Cost of test

Reimbursement/funding systems

Organizational aspects

Hospital level

National level

Technical aspects

Analytical aspects

Competition other biomarkers

Social aspects

Health care professionals perspective

Patient perspective