Authors' contributions
Hizir Sofyan, Till Seuring and Sebastian Vollmer conceptualized the study. Till Seuring and Marthoenis Marthoenis led the quantitative data collection. Till Seuring analyzed the data and drafted the results. Farah Diba and Suryane Susanti led the qualitative data collection, analyzed the data and drafted the results. Sebastian Vollmer wrote the first draft of the manuscript. Hizir Sofyan, Till Seuring, Marthoenis Marthoenis, Farah Diba, Suryane Susanti, Ichsan Ichsan and Novi Reandy Sasmita provided critical input to all parts of the manuscript. The authors read and approved the final manuscript.