1. Remove the type of blinding and type of randomization examples from definition
2. Add FDA regulated device, FDA regulated drug, MPG Paragraph 23b (German legal requirement), IRB-exempt, as examples
3. Delete the values from ResearchStudy Classifiers Code system ( https://build.fhir.org/valueset-research-study-classifiers.html) and ADD the four values from #2 above
Will send definitions for the 4 values in email