The Development of Complex Digital Health Solutions: Formative Evaluation Combining Different Methodologies

Anne Lee   ^{1 *} , RN, MSc ;   Marianne Sandvei   ^{2 *} , MA ;   Hans Christian Asmussen   ^{3 *} , MA (Design) ;   Marie Skougaard   ^{3 *} , MD ;   Joanne Macdonald   ^{4 *} , RN, BA (Hons), PGCMS ;   Jakub Zavada   ^{5, 6 *} , MD, PhD ;   Henning Bliddal   ³ , MD, PhD, DMedSci ;   Peter C Taylor   ⁴ , MA, PhD, FRCP ;   Henrik Gudbergsen   ^{3 *} , MD, PhD

¹ Centre for Innovative Medical Technology, Odense University Hospital, Odense, Denmark

² Research Unit of User Perspectives, Department of Public Health, University of Southern Denmark, Odense, Denmark

³ The Parker Institute, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Frederiksberg, Denmark

⁴ Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences., University of Oxford, Oxford, United Kingdom

⁵ Institute of Rheumatology, Prague, Czech Republic

⁶ Charles University, First Faculty of Medicine, Department of Rheumatology, Prague, Czech Republic

*these authors contributed equally