51 Past, present, and future of red blood cells Supplementary INFORMATION Appendix A – Interview guide I Introduction a. What is your role? b. What is your background/years of relevant experience in blood transfusion? c. How is what you do/what you research affect the blood supply? d. Do you participate in any international activities? II Retrospection a. demand occurred in blood transfusion (or specific specialty) in the Netherlands (or in their country of origin)? (If needed, provide prompting regarding articles, technological advances, alternatives, pharmaceutical drugs, PBM, international trade, etc) b. What do you think are some reasons (i.e. drivers) for these trends? c. Out of what you shared in a and b, which do you think are the most influential causes/drivers? III Foreshadowing a. Do you think any of these (influential) historical drivers will influence future blood demand? i Why or why not? ii How will it affect the future blood demand? IV Innovations a. Do you know of any technological, clinical, or any other medical innovations (already developed or in progress) that may impact the blood demand? b. Other than what you have said, is there any other factor (e.g. legal, political, societal) that could greatly impact blood demand? V Scenario planning a. What is/are medium term scenario(s) you can envision happening in the Netherlands (or their country of origin) in the next 15-20 years? b. What is/are long term scenario(s) you can envision happening in the Netherlands (or in country of origin) in the next 50 years?
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