1. Motivation and Introduction

2. Related Work on Software Modularity for aPS

3. Research Method

4. General Information about Interviewed Companies and Clusters of Variables

5. Prerequisites for Updating Software Modules at Runtime (RQ1)

6. Success Factors for Cross-Disciplinary Development (RQ2)

7. Reusable Software Modules (RQ3)

8. Major Influencing Factors and Inferred Necessary Measures

9. Conclusion and Outlook